Topstone 2 GRX 2x 2026

As a gravel bike designed for adventurers and those seeking value, the Topstone Alloy offers simplicity, reliability, and enjoyment. Whether fully-loaded with panniers or unburdened for a lightweight ride, its comfort, versatility, and handling make it an ideal companion on any journey. With a wheel clearance that accommodates tires up to 45mm, you can confidently explore rugged terrain and experience greater traction and cushioning with each ride.

Light and Lively

The SmartForm C2 Alloy construction of the Topstone highlights Cannondale's extensive experience in crafting high-quality aluminium materials.  Match the lightweight frame with a carbon fork and you will have a reliable, strong and light bike to tackle any trail.

Full GRX

When you need a reliable but tough drivetrain, the Shimano GRX featured on the Cannondale Topstone 2 is the ideal option for Gravel.  The GRX 400 may be entry level but it is far from entry level quality! this 2x10 speed setup will give you the range for trail blasts or long journey's. 

Cannondale Finish

The cockpit of the Topstone 2 GRX is thoughtfully designed by Cannondale, featuring their own Handlebar, Stem & Grips. The result is a streamlined appearance that does not sacrifice performance. The Cannondale Carbon Seatpost is combined with a Selle Royal Saddle for a durable and comfortable ride.

Sizing:

• XS: 147- 165cm
• S: 160 - 175cm
• M: 170 - 185cm
• L: 177 - 193cm
• XL:182 - 203cm

Specifications:

Frame - Lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts
Fork - Topstone Carbon, 1-1/8” to 1.5” steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, fender/gear mounts
Rims - GXD 1.0, 28h, 23mm internal width
Hubs - (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock
Spokes - Stainless Steel, 14g
Tyres - WTB Riddler TCS Light, 700x37c, tubeless ready
Pedals - Not included
Crank - Shimano GRX 400 46/30
Bottom Bracket - Shimano BSA 68
Chain - Shimano HG54, 10-speed
Cassette - Shimano HG500, 11-32, 10-speed
Front Derailleur - Shimano GRX 400
Rear Derailleur - Shimano GRX 400, Shadow RD+
Shifters - Shimano GRX 400, 10-speed
Handlebar - Cannondale 3, butted 6061 Alloy, 16 deg flare drop
Grips - Cannondale Knurl Cork, 2.7mm
Stem - Cannondale 3, 6061 Alloy, 31.8, 7°
Headset - Integrated, 1-1/8” - 1.5”
Brakes - Shimano GRX 400 hydraulic disc, 160/160mm RT30 centerlock rotors
Brake Levers - Shimano GRX 400 hydraulic disc
Saddle - Selle Royal SRX Open
Seatpost - Cannondale 3, 6061 Alloy, 27.2x350mm
Sizes - XS, S, M, L, XL