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2026 Mason

Exposure SRAM

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

£4,100($5,499)
Weight1.1 lbs (frame)  
FrameSteel
SuspensionRigid
ForkCarbon
Wheels650b Aluminum
Drivetrain2 × 12 Electronic
GroupsetRED XPLR eTap
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Exposure SRAM
Other Gravel bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

39 mph

Exposure SRAM

36 mph

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Highest gear

(descending)

Spec Level

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

Compare the full Exposure model range

View Comparison
Sizing
48cm

4'11" – 5'3"

50cm

5'1" – 5'7"

52cm

5'4" – 5'8"

54cm

5'6" – 5'11"

56cm

5'8" – 6'1"

58cm

5'10" – 6'3"

60cm

6'0" – 6'4"

62cm

6'2" – 6'6"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Price History
Reviews
Bikerumor
Mason x Barco Exposure Prototype Teases Steel Integration & New DT Suspension Fork

Nov 2025 · Cory Benson

Classic British bikemaker Mason fully integrates a prototype Exposure steel gravel bike and give it suspension!

Read Review

Geometry
Specs
Build
Frame

Dedacciai Zero / Uno custom-shaped performance steel.

Tire Clearance55c (27.5″) / 50c (700c)

ColorsFilteryellow; Opticgreen; Diffuserblack

Fork

Mason Rangefinder AS custom tuned, full carbon, thru-axle fork with accessory and rack-mounts.

Headset

Select From: Deda & Chris King.

Stem

Select Various Lengths. Choose From: DEDA Superzero or Zero2.

Handlebar

Choice of Deda or Ritchey options. Other brands available on request.

Saddle

Choice of Fizik options. Other brands available on request.

Seatpost

MASON Penta carbon, microadjust.

TypeRigid

Groupset
Rear Derailleur

Rival AXS / Force AXS / Red AXS - Including XPLR options as Selected.

Crank

2x 48/35. 1x 42. Select From: Rival AXS / Force AXS / Red AXS.

Shifters

Rival AXS / Force AXS / Red AXS - Including XPLR options as Selected.

Cassette

2x 10-36. 1x 10-44 XPLR. Rival AXS / Force AXS / Red AXS - As Selected. Alternative ratios available on request.

Chain

Rival AXS / Force AXS / Red AXS - As Selected. Other options available on request.

Brakes

Hydraulic Disc

TypeHydraulic Disc

Wheels
Rims

Select From: HUNT / DT Swiss / Campagnolo. Other options available on request.

Tires

650b or 700c. Select From: Rene Herse / Schwalbe / Continental / Vittoria.

Rider Notes
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First added March 21

Last updated May 30