DEFINITION INTEGRALE PRE-ORDER DEPOSIT
Secure your Launch Edition Definition Integrale now
The custom-formed Dedacciai tubeset of the Definition has become renowned for its responsive feel and long-distance comfort. The time has come to offer a new choice of direction for this iconic MASON model – with an alternative Definition for riders truly focussed on road endurance.
The launch of the new Definition Integrale brings focus to the fast endurance road capabilities of this model, without losing sight of the hallmark MASON practicality and all-season capability.
DEFINITION INTEGRALE LTD | QUICK LOOK
The Integrale features a lower crown height and stack height than the Definition3, allowing a sportier position with a fast attacking feel to the ride. Using the DedaAR fork that we developed with Deda Elementi, and inspired by the performance of the Aspect Integrale, we subtly reworked the geometry and detailing of the Definition to bring out its fast road DNA.
Across eight sizes, angles change progressively to keep handling confident, direct and comfortable for riders of all heights and builds. For the 3 smaller sizes, the rear centre is shortened and seat and head angles altered to ensure smaller riders enjoy the sporty handling without feeling compromised in comfort, fit and confident ride feel.
While the Definition Integrale offers a shift towards performance, core MASON principles remain, manifested through features like clearance for 35mm tyres, proper eyelets fork dynamo routing, and clearance to run full mudguards with 32 mm tyres.
Optimised for integrated routing and electronic groupsets, this is an approach that has already transformed the titanium MASON Aspect. Now it’s time for aluminium to offer this streamlined, focussed Integrale option, alongside our Definition3 – established as a modern classic.
NEW – Definition Integrale
- Reworked, progressive geometry with a fast, attacking ride feel, without compromising long-distance comfort
- Fully integrated routing
- Optimised for electronic shifting
- MASON x Deda AR carbon fork
NEW – Launch edition
- Strictly limited brushed brass headbadge
- New ProcessWhite finish, with black/brass/vela/yellow detailing – 25 frames with limited edition numbering
- New PrismGreen finish, with white/tungsten/deep-orange detailing – 25 frames with limited edition numbering
- Exclusive 001-025 Launch Edition badging
Your Definition Integrale options
- Frame and fork – £1,550
- SRAM AXS builds – from £3,700
- Shimano Di2 builds – from £3,700
Secure your Launch Edition frameset now, for expected delivery around December 2025.
Order before Oct 15th to secure a strictly limited 'Launch Edition' frameset from the first batch.
We will contact you directly to finalise size and colour, and you can decide later on your components and specification for full builds.
Features
- Custom Dedacciai aluminium frame, refined and reworked for performance riding
- Lower crown height and stack height than Definition3, giving a sportier position with a fast, attacking feel
- MASON x Deda AR tapered carbon fork, designed with Deda Elementi to bring full integration of hoses within a tapered head tube. Clearance for up to 35mm tyres, mudguard mounts, internal routing for hose and dynamo cable
- Progressive geometry, keeping the handling confident, direct and comfortable across all sizes, in tune with rider height and build.
- 8 sizes for precise fit: 48 to 62cm
- Optimised for electronic shifting only
- MASON-designed UDH-ready dropouts
- Fully compatible with full-length mudguards
- Max tyre clearance: 700C x 35mm [approx. 700C x 32mm with mudguards] – dependent on wheel/tyre combination
- Refined internal routing for seamless flow of cables and hoses through chainstays
- MASON 'ThruBB' internally routed bottom bracket shell.
- Carbon MASON Penta microadjust seatpost and MASON Macro seatclamp
- 2 new finishes: ProcessWhite and PrismGreen
Details
A DECADE OF DETAILS
With over 10 years of perfecting & optimising every detail in our MASON range, along with more than 25 years of metal frame design experience, we feel confident that all the features you'll ever need, along with some that you hadn't thought of, are lovingly and meticulously included in your frameset and finished bicycle.
We actively support some of the most experienced adventure and endurance riders, listen to our customers and work closely with experienced and passionate frame makers. Because of this rich mix, we are able to offer what we believe to be the most carefully designed, obsessively detailed and lovingly made framesets and bicycles in the world.
MASON MAKERS
BUILT WITH CARE AND ABSOLUTE ATTENTION TO DETAIL
We’re proud to collaborate with independent, bespoke frame makers who are at the pinnacle of their craft. This is something we care about a lot and we feel honoured to be working with small makers in Italy for most of our models, some who have been dedicated to the art of metal frame production for nearly 75 years.
Technical info

Select size
(mm unless specified) |
Dimensions ||
---|---|---|
A > | SEAT TUBE C/T | 480 |
B > | SEAT TUBE C/C | 433 |
C > | BB DROP | 73 |
D > | REAR CENTRE | 415 |
E > | TT EFFECTIVE | 521 |
F > | TT ACTUAL | 506 |
G > | STACK | 520 |
H > | REACH | 375 |
I > | STAND-OVER | 723 |
J > | OFFSET | 45 |
K > | FORK CROWN HEIGHT | 367 |
L > | HEAD ANGLE | 71º |
M > | HEAD TUBE LENGTH | 120 |
N > | SEAT TUBE ANGLE | 74.5º |
O > | WHEELBASE | 985 |
P > | HANDLEBAR (OUTSIDE DIMENSION) | 400/420 |
Q > | FRONT CENTRE | 581 |
(mm unless specified) |
Dimensions ||
---|---|---|
A > | SEAT TUBE C/T | 500 |
B > | SEAT TUBE C/C | 453 |
C > | BB DROP | 73 |
D > | REAR CENTRE | 415 |
E > | TT EFFECTIVE | 534 |
F > | TT ACTUAL | 520.5 |
G > | STACK | 531 |
H > | REACH | 385 |
I > | STAND-OVER | 742 |
J > | OFFSET | 45 |
K > | FORK CROWN HEIGHT | 367 |
L > | HEAD ANGLE | 71.5º |
M > | HEAD TUBE LENGTH | 130 |
N > | SEAT TUBE ANGLE | 74.5º |
O > | WHEELBASE | 994 |
P > | HANDLEBAR (OUTSIDE DIMENSION) | 400/420 |
Q > | FRONT CENTRE | 590 |
(mm unless specified) |
Dimensions ||
---|---|---|
A > | SEAT TUBE C/T | 520 |
B > | SEAT TUBE C/C | 474 |
C > | BB DROP | 73 |
D > | REAR CENTRE | 415 |
E > | TT EFFECTIVE | 538.5 |
F > | TT ACTUAL | 526.5 |
G > | STACK | 540.5 |
H > | REACH | 386.5 |
I > | STAND-OVER | 758 |
J > | OFFSET | 45 |
K > | FORK CROWN HEIGHT | 367 |
L > | HEAD ANGLE | 71.5º |
M > | HEAD TUBE LENGTH | 140 |
N > | SEAT TUBE ANGLE | 74.5º |
O > | WHEELBASE | 999 |
P > | HANDLEBAR (OUTSIDE DIMENSION) | 420 |
Q > | FRONT CENTRE | 595 |
(mm unless specified) |
Dimensions ||
---|---|---|
A > | SEAT TUBE C/T | 540 |
B > | SEAT TUBE C/C | 494 |
C > | BB DROP | 71.5 |
D > | REAR CENTRE | 420 |
E > | TT EFFECTIVE | 552 |
F > | TT ACTUAL | 540.5 |
G > | STACK | 553 |
H > | REACH | 387 |
I > | STAND-OVER | 778 |
J > | OFFSET | 45 |
K > | FORK CROWN HEIGHT | 367 |
L > | HEAD ANGLE | 71.5º |
M > | HEAD TUBE LENGTH | 155 |
N > | SEAT TUBE ANGLE | 73.5º |
O > | WHEELBASE | 1009.5 |
P > | HANDLEBAR (OUTSIDE DIMENSION) | 440 |
Q > | FRONT CENTRE | 600 |
(mm unless specified) |
Dimensions ||
---|---|---|
A > | SEAT TUBE C/T | 560 |
B > | SEAT TUBE C/C | 514 |
C > | BB DROP | 71.5 |
D > | REAR CENTRE | 420 |
E > | TT EFFECTIVE | 562 |
F > | TT ACTUAL | 551 |
G > | STACK | 567.5 |
H > | REACH | 392.5 |
I > | STAND-OVER | 794 |
J > | OFFSET | 45 |
K > | FORK CROWN HEIGHT | 367 |
L > | HEAD ANGLE | 71.5º |
M > | HEAD TUBE LENGTH | 170 |
N > | SEAT TUBE ANGLE | 73.5º |
O > | WHEELBASE | 1019.5 |
P > | HANDLEBAR (OUTSIDE DIMENSION) | 440 |
Q > | FRONT CENTRE | 610 |
(mm unless specified) |
Dimensions ||
---|---|---|
A > | SEAT TUBE C/T | 580 |
B > | SEAT TUBE C/C | 534 |
C > | BB DROP | 71.5 |
D > | REAR CENTRE | 420 |
E > | TT EFFECTIVE | 581.5 |
F > | TT ACTUAL | 571.5 |
G > | STACK | 579 |
H > | REACH | 398.5 |
I > | STAND-OVER | 808 |
J > | OFFSET | 45 |
K > | FORK CROWN HEIGHT | 367 |
L > | HEAD ANGLE | 72º |
M > | HEAD TUBE LENGTH | 180 |
N > | SEAT TUBE ANGLE | 72.5º |
O > | WHEELBASE | 1024.5 |
P > | HANDLEBAR (OUTSIDE DIMENSION) | 460 |
Q > | FRONT CENTRE | 615 |
(mm unless specified) |
Dimensions ||
---|---|---|
A > | SEAT TUBE C/T | 600 |
B > | SEAT TUBE C/C | 555 |
C > | BB DROP | 70 |
D > | REAR CENTRE | 420 |
E > | TT EFFECTIVE | 586 |
F > | TT ACTUAL | 579 |
G > | STACK | 587 |
H > | REACH | 401 |
I > | STAND-OVER | 823 |
J > | OFFSET | 45 |
K > | FORK CROWN HEIGHT | 367 |
L > | HEAD ANGLE | 72º |
M > | HEAD TUBE LENGTH | 190 |
N > | SEAT TUBE ANGLE | 72.5º |
O > | WHEELBASE | 1030 |
P > | HANDLEBAR (OUTSIDE DIMENSION) | 460 |
Q > | FRONT CENTRE | 620 |
(mm unless specified) |
Dimensions ||
---|---|---|
A > | SEAT TUBE C/T | 620 |
B > | SEAT TUBE C/C | 575 |
C > | BB DROP | 70 |
D > | REAR CENTRE | 420 |
E > | TT EFFECTIVE | 601 |
F > | TT ACTUAL | 593.5 |
G > | STACK | 607.5 |
H > | REACH | 409.5 |
I > | STAND-OVER | 846 |
J > | OFFSET | 45 |
K > | FORK CROWN HEIGHT | 367 |
L > | HEAD ANGLE | 72.5º |
M > | HEAD TUBE LENGTH | 210 |
N > | SEAT TUBE ANGLE | 72.5º |
O > | WHEELBASE | 1040 |
P > | HANDLEBAR (OUTSIDE DIMENSION) | 460 |
Q > | FRONT CENTRE | 630 |
This page gives you some guidelines based on rider height, but these are only a starting point for a proper bike fitting. There are of course many other factors to consider when choosing the right size for you and sizing advice will vary depending on your choice of model from the Mason range and the way that you intend to ride it. We're always here to help of course and would always recommend a professional bike fitting and visiting us for a ride on the Mason Cycles riverside gravel/country lanes test-loop if you can. There is further advice, based on specific models, below the height chart.
Fitting a bike to a rider is an important process, this information is a start to the process but it’s not really possible to give 100% accurate fitting instructions online.
Humans are odd shapes, each person’s physical dimensions: arm, torso, femur length, level of flexibility, skill level and intended model usage are very different. This means that there will invariably be different frame size requirements, even for people of the same height and inseam.
SIZING ADVICE BASED ON MASON MODELS
ROAD, ALL-ROAD & GRAVEL - Aspect | Resolution | Definition | SLR | BokehTi | Bokeh | Exposure: Size range is 48cm to 62cm depending on specific model. The chart dimensions show the extremes of useable frame size based on height and the rider size range is very similar for all our frames with 6 or 8 standard sizes.
ULTIMATE ADVENTURE - InSearchOf: Size range is 42cm to 58cm [5 sizes]. As a start point, we would recommend selecting one size down from your normal 'road' frame size. For example, if you would normally ride a 54cm then a 50cm InSearchOf is probably best for you.
ADVENTURE HARDTAIL - RAW | Macro: Size range is Sml to XL [4 sizes]. With the advent of modern, more progressive mountain bike geometry, the sizing process is even more fluid. The Mason RAW and Macro are no different: seat tube lengths are kept deliberately low so riders have a certain amount of flexibility in choosing size based on their preferred reach, wheelbase, handling characteristics and intended use. For instance, for high speed and loaded up stability you may prefer a larger frame that will also provide more pack space in the front triangle. Or, if you are spending most of your time on twisty woodland singletrack, you’d benefit from the shorter wheelbase and extra response of the smaller frame.
We are experienced in sizing and geometry, so of course we will be on the end of the phone or email to help and advise, but we would always recommend having a proper bike fit done before committing, especially if you feel like you may be between sizes. If you do fall between our frame sizes, it’s probably best to go with the smaller size. It’s easier to make a smaller frame fit a little larger than vice versa.
CONFIGURATION: With all models, you can use our drop down menus to configure your finishing kit to suit your needs, including which brake lever operates front/rear wheel and for MTB we’re happy to cut down the handlebar to your desired width.
Please email us here or call 01273 463000 if you have further requirements that you would like to discuss, we are always happy to help.

DEDA AR FORK
Working with Deda Elementi in Italy, we have helped develop a carbon fork to perfectly match the integrated routing of the Aspect Integrale and Definition Integrale. This new MASON x Deda AR fork has the balance of performance and practicality to make it worthy of a MASON frame. The co-design means it is a perfect match for our Aspect Integrale and Definition Integrale, working with our taper head tube and with clearance for 36mm tyres and full mudguards, including eyelets for stays and internal routing for brake hose and dynamo wire.

INTEGRATED ROUTING
For the Aspect Integrale and Definition Integrale, we use the specially developed Deda AR carbon fork. This allows for sleek full integration of the brake hoses within the frame, using the standard taper head tube and headset. This system works with many standard stem and handlebar options. The Aspect Integrale and Definition Integrale is compatible with AXS, Di2 or EPS electronic shifting.

EN Tested
All our frames and forks complete the brutal strength and fatigue testing to comply fully with EN regulations. They are pushed, pulled, dropped and twisted over 100,000 times and must survive without any damage before they can pass.
It's not law that frames and forks have to be tested to their limits like this, but our frames will always be tested in this way, so you can be sure that your MASON frame not only looks beautiful with a ride quality to match, but it is tough, safe and dependable too.

Multiport
Our frames use an adaptable, internal cable routing system. Developed by us to allow your Mason frame to be used with a combination of control systems and adapt and evolve with your requirements and riding styles. We were the first to bring this type of system to a performance steel frame and now use this system across our range. Interchangeable alloy parts allow five options:
1. Full cable outer. 2. Hydraulic Hose. 3. Split outer. 4. Electronic cable [e.g. Shimano Di2]. 5. 2 x Hose/cable or Hose/Dynamo wire 6. Blank.

Taper Head Tubes
Our frames use modern 1-1/8” - 1.5” taper head tubes. Pioneered by composite frames, the taper head tube makes huge sense for metal frames too;
The large overall diameter provides a useful weld area. The fully integrated headset is light and has a very low stack-height. Large 1.5” lower bearing, mated to a tapered carbon fork steerer, spreads the load and gives flex-free braking and instant response to steering input.

Threaded Bottom Brackets
We choose a more traditional 68mm BSA, and T47 threaded standard for our frames because we know that it gives greater durability and creak-free reliability over many miles. The threaded BB is easier to service using standard tools and you are more likely to find a replacement when adventuring far from home. A properly lubricated, threaded BB is also an ideal interface with a metal BB shell.

BoatTail Stays
Unique to MASON. The seat stays flow out of the ovalised top tube and then curve and taper down to meet the chain stays which curve up towards the axle. We call this ‘BoatTail’, a custom bend giving disc-rotor and calliper clearance, helping to avoid chain-slap on the rough stuff and allowing a little compliance to help smooth the ride.

Aluminium Dedacciai Tubing
The entire tubeset was developed in conjunction with Italian, metal tubing gurus Dedacciai. The Definition is constructed from Triple Butted, Hand Selected, custom shaped, 7000 series, Dedacciai Alu tubes and tig welded by hand with beautiful Smooth weld beads. The welds require no after sanding or finishing, so there is no thinning and weakening of the tubes at crucial areas. The frame is fully heat treated, stress relieved and anti-corrosion treated after welding.

Disc Brakes
This frame is designed for disc brakes. They work consistently in all conditions, pull up quicker in the wet, they don't grind your expensive rims into black sludge and in my experience they change the whole riding experience for the better, especially when coupled with modern disc-specific wheels and high-volume tyres. You’ll find yourself riding in a more confident, controlled, fluid and ultimately more efficient way.

Internal Routing
We route the hoses and cables internally where practical, keeping the 'adventure nature' of our bicycles firmly in mind. For smoother runs and a cleaner aesthetic, all control cables, hoses and electronic shift control wires now run through the down tube, via the special BB shell and out through the chainstays, guided by our Mason 'MultiPort' adaptable inserts. Interchangeable Internal routing keeps the control cabling away from road dirt and grime, helps avoid accidental damage, makes cleaning easy, de-clutters your bike and means you can adapt your bike easily to work with various shifting and braking methods. For adventure and endurance riding, internal routing also has the advantage that it is easy to strap frame packs to the frame tubes without being hindered by external cabling and hoses.

Integrated Headset
Integrated, 41.8ø upper, 51.8ø lower, for taper head tube. Both bearings are ‘ACB’, meaning ‘Angular Contact Bearings’. The head-tube seat angle is 45º.
The headset drops into a tapered seat in the head tube and is tensioned using a headset tensioner within the fork steerer. Tensioning the headset centres it on the taper and prevents any play. The larger lower bearing allows a tapered steerer and larger crown. This gives sharper response, helps reduce flex under braking and spreads bearing load.

FlatMount Brake Calipers
Flat mount disc-brake callipers are lighter, neater, and open up more space within the dropout area for racks and ‘guards. The calliper is mounted to the dropout, allowing us to use a lighter, more comfortable seat-stay. Up front, the calliper is mounted directly to the fork [via the brake manufacturers adaptor] and offers a cleaner and more minimalist appearance and also provides a compact packaging of the brake caliper.

UDH Equipped
This frame is equipped with the 'UDH' [Universal Derailleur Hanger]. The 'Universal Hanger' standardises the shape and fixed position of the hanger across the industry and is compatible with all modern rear mech types from all major brands.
Our UDH dropouts are compatible with all SRAM 'T-Type/Transmission' rear mech models, and any future rear mechs and gearing systems that are designed to work with the UDH standard.

Switchlever
This model uses SwitchLever Thru-Axles front and rear. This high quality axle system features a removable lever to be used with both axles. Store the lever in the front axle for quick use or remove completely for extra security and a clean, low-profile look.

8 FRAME SIZES
8 frame size options are unusual for a small bicycle company like ours. We believe that a large size range helps to guarantee an optimised fit, essential for long-distance comfort and efficiency. 48cm through to 62cm, the geometry and clearances vary throughout the size range, meaning that there will be a MASON to fit you perfectly.

Optimised Seat tube size
Our smaller frames sizes, from 48 to 58cm use a 31.8mm seat tube and 27.2mm seatpost. Smaller lighter riders don't require large, stiff seatposts and the smaller diameter post and tube help dial out some road-buzz and add long distance comfort.
The larger frame sizes - 60 and 62cm, use oversize 34.9mm seat tubes and 31.6mm seatposts. The larger diameter seat tube adds 'core-stability' to the larger frames and enhances power transfer for larger more powerful riders, with the larger 31.6mm post adding more support.

Thru-BB
'Thru-BB' is unique to MASON aluminium frames. The large 56mmØ presents a large weld area to the base of the down tube and then steps down to the 68mm [road/gravel] & 73mm [MTB] width threaded seats. This step-down provides plenty of space around the outside of the bottom-bracket bearings to allow the control cables and hose to pass through on the way to the chain stays/seat tube and out to the brake, rear mech, dropper-post etc.
IMPORTANT: This BB shell design requires the use of a bottom bracket with a 24mm or 30mm 'sleeved' axle like most Shimano or SRAM DUB, because the hose/cables/control wires run through the shell and under the axle. DO NOT use a bottom bracket type without a sleeve. Campagnolo sleeves are available on the site HERE. Please contact us if you would like advice on compatible cranksets/BB types.

Essential Dimensions: Resolution/Definition/Aspect
BRAKING
Resolution Rotor Size: The fork can take a Ø140 or Ø160mm rotor [using adaptor], if you are using Shimano IceTech rotors then Ø140mm rotors either end are fine in normal use, although Shimano recommend Ø160 both ends for larger riders or extended long descents, especially when loaded. SRAM recommend Ø160mm front/rear. A Ø160mm up front is best if you are using cable braking. The Resolution2, with Thru-Axle front & rear will now accept a Ø160mm rotor on the rear. [140mm is the maximum recommended diameter for the V1 rear].
Resolution Caliper Type: Frames are fitted with the Flat-Mount front & rear (adaptable to post-mount with correct adapter). There are no clearance issues with modern Shimano or SRAM hydraulic systems or mechanical systems such as ‘TRP Spyre’. Some bulky systems like the ‘TRP HyRd’ may have compatibility issues on smaller size frames. Please contact us for advice if you are in doubt.
Resolution Flat-Mount Mounting Bolt Lengths: FRONT - 15mm. REAR - SRAM: 17mm. Shimano: 23mm.
Definition Rotor Size: The fork can take a Ø140 or Ø160mm rotor [using adaptor], if you are using Shimano IceTech rotors then Ø140mm rotors either end are fine in normal use, although Shimano recommend Ø160 both ends for larger riders or extended long descents, especially when loaded. SRAM recommend Ø160mm front/rear. A Ø160mm up front is best if you are using cable braking. 160mm is the maximum recommended diameter for the rear.
Definition Caliper Type: Frames are fitted with the flat-mount front and flat-mount rear. There are no clearance issues with modern Shimano systems or mechanical systems such as ‘TRP Spyre’. Some bulky systems like the ‘TRP HyRd’ may have compatibility issues on smaller size frames.
Definition Flat-Mount Mounting Bolt Lengths: FRONT - 15mm. REAR - SRAM: 22mm, using 2mm spacer under bolt head. Shimano: 28mm, using 2mm spacer under bolt head. Please contact us using the 'Technical' dropdown if you require further information regarding spacers and caliper mounting.
Aspect Rotor Size: The fork can take a Ø140 or Ø160mm rotor [using adaptor], if you are using Shimano IceTech rotors then Ø140mm rotors either end are fine in normal use, although Shimano recommend Ø160 both ends for larger riders or extended long descents, especially when loaded. SRAM recommend Ø160mm front/rear. A Ø160mm up front is best if you are using cable braking.
Aspect Caliper Type: Frames are fitted with the Flat-Mount front & rear (adaptable to post-mount with correct adapter). There are no clearance issues with modern Shimano or SRAM hydraulic systems or mechanical systems such as ‘TRP Spyre’. Some bulky systems like the ‘TRP HyRd’ may have compatibility issues on smaller size frames. Please contact us for advice if you are in doubt.
Aspect Flat-Mount Mounting Bolt Lengths: FRONT - 15mm. REAR - SRAM: 27mm. Shimano: 33mm.
Bolt lengths for mounting Flat-Mount brake calipers to our frames vary because of the different dropout designs and materials used across our range.
We always recommend using genuine hardware and consulting us directly using the 'Technical' dropdown, or using a qualified cycle mechanic if in doubt.
NOTE: Our frames are compatible with most modern disc-brake systems but may not be suitable for ALL brake callipers. Please check clearance before purchasing your braking system.
WHEELS/AXLES
Resolution2:
Ø12mm Thru-axle Front / Ø12mm Thru-axle rear.
Front axle spacing: 100mm. Rear axle spacing: 142mm.
Axle length/pitch: Front - 120mm/1.5P. Rear - 166mm/1.5P.
Definition2 >:
Ø12mm Thru-axle Front / Ø12mm Thru-axle rear.
Front axle spacing: 100mm. Rear axle spacing: 142mm.
Axle length/pitch: Front - 120mm/1.5P. Rear - 160mm/1.5P.
Aspect:
Ø12mm Thru-axle Front / Ø12mm Thru-axle rear.
Front axle spacing: 100mm. Rear axle spacing: 142mm.
Axle length/pitch: Front - 120mm/1.5P. Rear - 172mm/1.5P.
TYRES
The below are guides only. Fitted width may vary depending on manufacturer and rim width. Please check true dimensions of chosen components to be sure.
Resolution/Definition/Aspect:
Max tyre width with mudguard: 32mm [Dependant on rim/tyre/mudguard combination].
Max tyre width without mudguard: 35mm - untreaded. [Dependant on rim/tyre/mudguard combination].
Resolution/Aspect:
SEAT POST
27.2mm.
SEAT CLAMP
31.8mm.
FRONT MECH
31.8mm
Definition3:
SEAT POST Ø
Frame size 48 to 58cm: 27.2mm. Frame size 60 & 62cm: 31.6mm.
SEAT CLAMP Ø
Frame size 48 to 58cm: 31.8mm. Frame size 60 & 62cm: 34.9mm.
FRONT MECH Ø
Frame size 48 to 58cm: 31.8mm. Frame size 60 & 62cm: 34.9mm.
Resolution/Definition/Aspect:
CHAINRINGS
Max 2x chainring size: 52/36T
Max 1x Chainring size: 50T
BB TYPE Definition: 68mm shell width. BSA threaded. Use 'shielded' BB axle.
BB TYPE Resolution/Aspect: Pre Jan '25: BSA threaded x 68mm shell width. Post Jan '25: T47 x 68mm shell width. Use 'shielded' BB axle.
FORK
Headset type: Integrated, 41.8Ø upper, 51.8Ø lower, for taper head tube. Angular Contact Bearings. The head-tube seat angle is 45º.
Stack-washer maximum: 40mm below stem is max. recommended for carbon steerer. Warranty is void above this dimension.
Specifications
Our frame sets deserve the best components, so we put a great deal of thought into the mix of parts used for each bike build. Bars, stem and crankset are sized to match frame size choice. See Geometry chart for component sizing.
Frame | MASON x Dedacciai custom-shaped performance Aluminium. |
Fork | MASON x Deda AR carbon fork |
Headset | Select From: Deda & Chris King. |
Colours | PrismGreen Metallic & ProcessWhite |
Bike Weight | 8.2KG SRAM RED 54CM XPLR (50T Chainring & HUNT 60 Limitless Wheels) |