Aspect

Endurance Road

Titanium

Aspect - Endurance Road

Our Italian-made Dedacciai titanium, ultimate road bicycle, now in two variants: the Aspect2 and the Aspect Integrale.

The Aspect uses the best European titanium tubing and highly advanced MASON designed, UDH ready, 3D printed dropouts to deftly balance speed, comfort and handling.

"The first thing that struck me about the Aspect was just how silky the ride feel is..." | Cyclist Magazine.

700c, with capacity for 35mm tyres [32mm with full mudguards].

Smooth, fast, long-distance efficiency, taking variable surfaces and unpredictable weather conditions in it's stride.

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Resolution

Endurance Road

Steel

Resolution - Endurance Road

Our Italian-made Columbus steel all-road bicycle. The Resolution uses modern design thinking and proven geometry to deliver a buttery smooth ride, across a wide range of surfaces in all conditions.

"Stunningly comfortable steel-framed beauty with an amazing ride quality. A masterpiece in showcasing what can be achieved with steel tubing, finished to an incredibly high standard."
– road.cc ROAD BIKE OF THE YEAR FINALIST 2024/25

700c, with capacity for 35mm tyres [32mm with full fenders].

Confidence inspiring, dependable, All-Season, long distance performance.

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Definition

Endurance Road

Aluminium

Definition - Endurance Road

Our Italian-made, Dedacciai aluminium endurance road bicycle tackles the most variable and unpredictable surfaces with confidence and poise.

"The way this thing rides is a masterclass in bike design and engineering"
– road.cc ROAD BIKE OF THE YEAR & BIKE OF THE YEAR FINALIST 2024/25

700c, with capacity for 35mm tyres [32mm with full fenders].

The Definition is designed to deliver sporty, long-distance performance in very variable weather and surface conditions.

Now joined by Definition Integrale. Clean integrated routing and reworked, progressive geometry, giving a fast attacking ride feel, without compromising long-distance comfort.

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SLR

AllRoad

Steel

SLR - AllRoad

Our Italian-made steel, AllRoad super-tourer. With a focus on smooth, long-lasting, road performance and ultimate grand-touring capabilities. A continuation with MASON Cycles’ obsession with high-performance steel, designed and built in collaboration with one of the most skilled and established bicycle frame builders in Italy.

"If you take delivery of a MASON SLR, you will be incredibly satisfied. You'll end up with a piece of engineering excellence...

"Simply stunning from every aspect, thanks to exceptional ride quality and attention to detail that sets it above the rest. In my opinion, it's faultless." | Road.cc ROAD BIKE OF THE YEAR & WINNER - BIKE OF THE YEAR '22/23.

Up to 700c x 40mm wheels/tyres, including full fenders.

The SLR is available with various build levels, similar to the options for MASON Bokeh and MASON Resolution. Or contact us for your dream custom build.

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Bokeh

Fast Gravel

Aluminium

Bokeh - Fast Gravel

Our Italian-made custom Dedacciai aluminium bicycle for multi-surface adventures. We believe the term 'gravel' does not do full justice to the capabilities of this multi-terrain adventure machine.

"The ride is exceptional, with the Mason Bokeh3 managing to strike a balance between aggression and versatility and offering a nimble and fast-rolling experience on gravel." | Road.cc 2024.

With capacity for 650b x 55mm [2.1"] or 700c x 50mm [2"], the Bokeh is your versatile friend for fast adventure and fun-filled bikepacking trips. The latest update brings UDH-compatibility to the Bokeh's forged and machined dropouts.

The Bokeh and BokehTi are equally at home loaded up and traversing continents or stripped down and hammering forest singletrack.

All builds shown for Bokeh models are also available for the titanium BokehTi.

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Bokeh Ti

Fast Gravel

Titanium

Bokeh Ti - Fast Gravel

Our Tuscany-made custom Dedacciai titanium multi-surface bicycle. We believe the term 'gravel' does not do full justice to the capabilities of this remarkable machine.

With capacity for 650b x 55mm or 700c x 50mm tyres, the BokehTi is your versatile friend for fast adventure and bikepacking trips.

The Bokeh and BokehTi are as at home loaded up and traversing continents as they are stripped down and hammering forest singletrack.

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Exposure

Gravel Adventure

Steel

Exposure - Gravel Adventure

Our Italian-made Dedacciai steel bikepacking and adventure bicycle. Designed with larger clearances and a subtly relaxed geometry, the Exposure is highly adaptable with multiple load and accessory-carrying configurations. The latest update brings updated Mason-designed CNC dropouts, compatible with the UDH standard.

"Masterpiece is a pretty big word to throw into a bike review, but I’m as comfortable and excited about using it here..." Bike Perfect 2023.

This lovingly crafted bicycle is developed for fast, long-distance, extended adventure touring over very variable and unpredictable terrain.

Designed with capacity for 650b x 58mm [2.35”] or 700c x 50mm tyres.

All builds shown for our Bokeh models are also available for the Exposure.

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ISO

Ultimate Adventure

Steel

ISO - Ultimate Adventure

Our Italian-made Dedacciai steel ultimate adventurer, fully updated for 2025. The mighty ISO is an ultra-endurance race-winning machine, designed to be pretty much unstoppable over a very wide range of terrain. Now the ISO2 adds a T47 bottom bracket, updated HotShoe2 fork, optimised internal routing, additional eyelets for carrying equipment, and new CNC dropouts with UDH compatibility.

"...it lets you go further and more extreme than just about any other drop bar bike." | Cycling Weekly 2020

Choose high-volume 650b x 2.8" or 29" x 2.6" wheels and tyres for enormous versatility and innovative load-carrying options – with a supremely comfortable riding position.

The ISO is designed to take care of you for multi-day adventures and long journeys into the wilderness, carrying all you need.

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Macro

Adventure Hardtail

Aluminium

Macro - Adventure Hardtail

The Macro is our cutting-edge, Italian-made lightweight configurable adventure hardtail, crafted from a custom MASON x Dedacciai aluminium tubeset.

With many custom features, innovative build options and unique components, the Macro combines the capability to carry bikepacking gear across variable off-road terrain with the imperative to keep moving at racing speed. Build a lightweight, flat bar, fully rigid bikepacking machine or combine the Macro with a 100mm suspension fork.

With capacity for 29 x 2.4" wheels/tyres, the light weight and configurability of the Macro create an ideal platform for bikepacking.

Multiple mounting points and careful details give unrivalled options for carrying gear – whether you’re equipping for a lightweight overnighter or an extended tour.

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RAW

Adventure Hardtail

Steel

RAW - Adventure Hardtail

Our UK-made Dedacciai and Reynolds steel adventure hardtail, with adventure race winning credentials and full bikepacking features.

"...it has what I believe to be perfect geometry for big backcountry rides and bikepacking, pedals smoothly and efficiently, and has a generously sized main triangle for a proper frame bag." | Bikepacking.com 2023.

Ridden to victory by Angus Young in the Highland Trail 550 2023, setting a new Fastest Known Time.

120mm fork compatible, with capacity for 29 x 2.6" wheels/tyres, the RAW delivers fast, efficient, sure-footed, all-terrain adventures, in the toughest conditions.

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Accessories

All Accessories + Upgrades Clothing

Reviews

All Resolution Definition Bokeh ISO Aspect RAW SLR Exposure Macro