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2023 Silverback

Siablo Alloy GRX

An aluminum frame gravel bike with upper mid-range components and shimano 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 Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Siablo Alloy 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 Alloy 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 Bike, Custom Triple Butted Hydro-formed 6061 Frame, Flat-mount Disc Brake Mounts. Supports 700C and 650B Wheelsize, including Internal Routed Dropper Post Compatible.

BB StandardBSA, 68mm, Threaded

Tire Clearance1.8"

ColorsGallant Grey; Ruby Red

Fork

SB Advanced Dynamics Carbon Fork, 12mm T/A dropouts, Disc mount

Bottom Bracket

BSA 68mm

Headset

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

Stem

Surface Alloy

Handlebar

Surface Alloy, 31.8mm

Saddle

Surface Gravel, Steel rails

Seatpost

Surface Alloy, Dia: 27.2mm, Length: 350mm

TypeRigid

Pedals

Not Included

Grips

Surface Seude tape, Plug with Expander Bolt

Groupset
Rear Derailleur

SHIMANO RD-RX812 11 speed

Crank

SHIMANO GRX600, 11spd, 40T. 175 mm

Shifters

SHIMANO GRX RX600

Cassette

SHIMANO M7000 SLX 11-42T

Brakes

SHIMANO BR-MT400

TypeShimano Hydraulic Disc

Wheels
Rims

MAVIC ALL ROAD CL 700c

Front Hub

Mavic

Rear Hub

Mavic

Tires

Maxxis Rambler 700 x 40C, TR, Silkshield

Disc Rotors

160mm

Rider Notes
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First added October 24

Last updated December 31

Not listed for 1,245 days