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2023 Silverback

Siablo AL GRX

An aluminum frame gravel bike with upper mid-range components and shimano grx 400 hydraulic disc brakes.
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Manufacturer Price

€1,999($2,326)
Weight23.4 lbs  
FrameAluminum
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain1 × 11
GroupsetGRX 800, GRX 600
BrakesShimano GRX 400 Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Siablo AL GRX
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)

31 mph

Siablo AL GRX

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 SIABLO model range

View Comparison
Sizing
XS

4'8" – 5'1"

SM

4'11" – 5'5"

MD

5'4" – 5'8"

LG

5'6" – 5'11"

XL

5'9" – 6'3"

XXL

6'0" – 6'5"

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

Aluminium Gravel frameset, Custom Triple Butted Hydro-formed 6061 Frame, Flat-mount Disc Brake Mounts. Supports 700C and 650B Wheelsize, including Internal Routed Dropper Post Compatible.

BB Standard: BSA, 68mm, Threaded

Tire Clearance: 45c

Colors: Gallant Grey; Ruby Red

Fork

SB Advanced Dynamics Carbon Fork, 12mm thru-axle, Disc mount

Bottom Bracket

BSA 68mm

Headset

Token A83-15 Headset, ZS44/28.6 ZS56/40

Stem

Surface lightweight Alloy

Handlebar

Surface lightweight Alloy, Ø31.8mm

Saddle

Surface Gravel optimised

Seatpost

Surface Alloy, Ø27.2mm, Length: 350mm

Type: Rigid

Pedals

Not Included

Grips

Surface Seude tape, Plug with Expander Bolt

Groupset
Rear Derailleur

Shimano GRX, RD-RX810, 11 speed

Crank

SHIMANO GRX600, 11spd, 40T, 175 mm

Shifters

Shimano GRX RX600

Cassette

Shimano M7000 SLX 11-42T

Chain

Shimano CN-HG601

Brakes

SHIMANO BR-RX400 Hydraulic Disc

Type: Shimano GRX 400 Hydraulic Disc

Wheels
Rims

Vision alloy, 27mm width, 30mm height

Front Hub

F: Vision 12x100m

Rear Hub

F: Vision 12x100m

Tires

Vittoria Terreno Dry 700x38c

Disc Rotors

F: Shimano RT26 180 mm, R: Shimano RT26 160mm

Rider Notes
Riders Also Viewed

First added October 31

Last updated June 8

Not listed for 720 days