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2026 Mason

ISO SRAM

A steel frame gravel bike with high-end components and hydraulic disc brakes.
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Manufacturer Price

£4,095($5,492)
Weight5.0 lbs (frame)  
FrameSteel
SuspensionRigid
ForkCarbon
Wheels650b Aluminum
Drivetrain2 × 11
GroupsetGRX 800, XT
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
ISO SRAM
Other Gravel bikes
Spec Level

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

Sizing
42cm

4'11" – 5'5"

46cm

5'3" – 5'9"

50cm

5'6" – 6'1"

54cm

5'10" – 6'3"

58cm

6'2" – 6'6"

Rider Fit Notes

None yet.

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Price History
Geometry
Specs
Build
Frame

Custom-formed Progressive-butted Dedacciai / Reynolds Steel tubeset.

BB StandardBSA, 73mm, Threaded

ColorsFiltergreen; Elementgrey

Fork

Exclusive 'HotShoe' Carbon, ThruAxle, Flat-mount fork with multiple accessory mounts.

Bottom Bracket

BSA, 73mm, threaded

Headset

DEDA Low profile integrated headset.

Stem

Ritchey Trail

Handlebar

Ritchey Venturemax WCS

Saddle

Fabric Scoop, Shallow, Mason Custom.

Seatpost

MASON Penta carbon, microadjust.

TypeRigid

Groupset
Rear Derailleur

Shimano GRX-800

Crank

Shimano Deore XT

Shifters

Shimano GRX-800

Cassette

Shimano M8000 11-42.

Chain

Shimano HG701 11 Spd.

Brakes

Hydraulic Disc

TypeHydraulic Disc

Wheels
Rims

Mason X HUNT 'The Search'' Dynamo 29" / HUNT 27.5" TrailWide

Tires

WTB Ranger 29 x 2.4 / Ranger 27.5 x 2.8 / Schwalbe choices.

Rider Notes
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First added March 21

Last updated May 30