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2026 Mason

SLR Shimano

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

£3,600($4,828)
Weight4.9 lbs (frame)  
FrameSteel
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 11 Electronic
GroupsetDura-Ace Di2
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
SLR Shimano
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)

38 mph

SLR Shimano

36 mph

Similar Bikes

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 SLR 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

6'3" – 6'6"

Rider Fit Notes

None yet.

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Price History
Geometry
Specs
Build
Frame

SLR custom formed, TIG welded, Dedacciai Zero/Uno.

Tire Clearance45c

ColorShutterblack Metallic / Mode Rode / Vela

Fork

Mason Rangefinder AR custom tuned, full carbon, thru-axle fork with rack-mounts.

Headset

Select From: Deda & Chris King.

Stem

Select Various Lengths. Choose From: DEDA ZER0100 SUPERZERO or ZERO2 - Black on Black.

Handlebar

Select From: Deda & Ritchey. Other brands available on request.

Saddle

Choice of Fizik options. Other brands available on request.

Seatpost

MASON Penta carbon, microadjust.

TypeRigid

Groupset
Rear Derailleur

GRX-810 11spd Mechanical / GRX-820 12spd Mechanical / GRX-815 Di2 11spd/ GRX-820 Di2 12spd / Shimano 105 12spd Di2 & Mechanical / Ultegra 12spd / Dura-Ace 12spd - As Selected.

Crank

48/31& 50/34. Select From: 810 GRX 11spd / 820 GRX 12spd / 105 12spd / Ultegra 11spd / Ultegra Di2 12spd / Dura-Ace Di2 12spd.

Shifters

GRX-810 11spd Mechanical / GRX-820 12spd Mechanical / GRX-815 Di2 11spd/ GRX-820 Di2 12spd / Shimano 105 12spd Di2 & Mechanical / Ultegra 12spd / Dura-Ace 12spd - As Selected.

Cassette

11-34. 105 / Ultegra / Dura-Ace / GRX 810 / GRX 820. Alternative ratios available on request.

Chain

Shimano 105 / Ultegra / GRX / Dura-Ace - Chain. Other options available on request.

Brakes

Hydraulic Disc

TypeHydraulic Disc

Wheels
Rims

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

Tires

700C. Select From: Rene Herse / Schwalbe / Continental / Vittoria / WTB.

Rider Notes
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First added March 21

Last updated May 30