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2025 Mason

Definition Campagnolo

An aluminum frame endurance bike with ultra high-end components and rim brakes.
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Manufacturer Price

£3,600($4,844)
Weight1.0 lbs (frame)  
FrameAluminum
ForkCarbon
Wheels700c Aluminum
GroupsetChorus
BrakesRim
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Definition Campagnolo
Other Endurance bikes
Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

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Reviews
road.cc
Mason Definition 3.0

Mar 2024 · Suvi Loponen

Continues to define how good an aluminium road bike can be, especially for steady, long miles

Highs

  • Beautiful build quality and details

  • Great all-weather compatibility and performance

  • Good tyre clearance for year-round riding

  • Mounting points for rack and mudguards

  • Wide size range

Lows

  • A little sluggish on steep climbs

Read Review

Cyclist
Mason Definition review

Nov 2022 · James Spender

A go-anywhere kind of bike that can hold its own on the road while being highly adept over a range of terrains and all weathers

Highs

  • Smooth

  • Versatile

  • Responsive

Lows

  • Weight

Read Review

Geometry
Specs
Build
Frame

MASON x Dedacciai Custom Aluminium.

Colors: Sensor Blue; Shutter Black Metallic; Vela

Fork

MASON Aperture2 full carbon fork.

Headset

Choice of Deda & Chris King.

Stem

DEDA ZER02 black on black. 140g.

Handlebar

Choice of Deda bars. Other options available on request.

Saddle

Choice of Fizik saddles. Other options available on request.

Seatpost

MASON Penta carbon, microadjust.

Type: Rigid

Groupset
Rear Derailleur

Choice of: Campagnolo Chorus 12spd. Campagnolo EKAR 13spd.

Crank

Choice of: Campagnolo Chorus 12spd. Campagnolo EKAR 13spd.

Shifters

Choice of: Campagnolo Chorus 12spd. Campagnolo EKAR 13spd.

Cassette

Choice of: Campagnolo Chorus 12spd, Campagnolo EKAR 13spd.

Chain

Choice of: Campagnolo Chorus 12spd, Campagnolo EKAR 13spd.

Brakes

Rim

Type: Rim

Wheels
Rims

Available with a choice of HUNT & DT Swiss. Other options available on request.

Tires

Available with a choice of the best 700C tyres from Rene Herse, Schwalbe, Continental & Vittoria.

Rider Notes
Riders Also Viewed

First added October 25

Last updated March 21

Not listed for 78 days