Siablo CX Rival


  • Custom Triple Butted hydro-formed 6061 Alloy frame, disc mounts
  • Silverback Carbon fork, tapered steerer, disc mounts
  • Stan's Grail MK3 700c rims
  • Weight: 9.25kg
Terms & Conditions Apply


Siablo CX is a dedicated cyclocross race bike, proven on the world cup circuit with the OMX Pro team. 2019 sees a new SBC Carbon fork and Stan's Grail tubeless wheels.
Gravel Bike - Siablo CX - Silverback Bikes

Surface Components are meticulously designed to create FSS - full system synergy. Surface control parts, wheels, saddles and dropper posts are engineered to offer reliable performance and component integration.

Silverback Ergonomic Science

Your Better Riding Experience



Shop at Speedlab



Shop at Speedlab



Shop at Speedlab



Shop at Speedlab


Crankset SRAM Rival 1, X-Sync, 40t
Cassette SRAM PG-1130 11-32t, 11 Speed
Rear Der SRAM Rival 1, 11 Speed
Front Der -
Shifters SRAM Rival
Bottom Bracket PF30
Fork Silverback Advanced Dynamics Carbon Fork, 12mm Thru Axle Dropouts, Disc Mount
Rear shock -
Hubs Alex Rims Bear Pawls BRD
Rims Stan's Grail MK3 700c
Tyres Schwalbe X-One Allround Performance, 700x33c, Folding Bead
Seatpost Surface Aluminium, Black
Saddle Surface Ergo, Carbon Fiber Base
Handlebar Surface Alloy Handlebar, Dia:31.8mm, Reach: 70mm, Drop: 120mm
Stem Surface Alloy Stem, 31.8mm, Rise 7°
Frame Silverback Engineered Custom Triple Butted 6061 Aluminium Tapered 1-1/8"-1.5" Headtube, Integrated Headset, 12mm Thru Axle Dropouts, Flat Mount Disc Mounts
Brake set SRAM Rival Hydraulic Disc System
Weight 9.254kg (Medium Frame, with tubes, without pedals)
Weight Limit 125kg
Travel -

Find Your Fit

Proper bike fit is as important as getting the right bike for the job. Long term comfort and performance can be greatly improved with the right size bike. This acts as a guide only, so if you are unsure, please visit your Silverback reseller to be profesionally measured and sized for the perfect fit.

Siablo CX Rival Size Chart
Siablo CX Rival Geometry
Map Type XS S M L XL XXL
A SEAT TUBE C/T 465 500 535 555 575 595
B HEAD TUBE ANGLE 71 71.5 72 72 72.5 73
C SEAT TUBE ANGLE 74.5 74 73.5 73 73 72.5
D TOP TUBE 515 532 555 570 585 600
E REACH 369.6 375.4 387 390.8 399.4 401.9
F CHAINSTAY LENGTH 430 430 430 430 430 430
G BB HEIGHT 283 283 283 283 283 283
H WHEELBASE 999 1007 1021 1023 1041 1045
I HEAD TUBE LENGTH 100 120 140 160 180 200
J STACK 525.5 546.3 567.1 586.1 607.1 628.2
K STANDOVER 743.2 766.8 791.5 808.7 827.7 846
L FORK OFFSET 45 45 45 45 45 45



  1. keyserd

    Absolute stunning ride. As fast as a road bike but with the option of going off road. The Silverback Siablo CX will be my choice next month for the 7Weekspoort 80 km race.

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