Cannondale Topstone 2 GRX 2x 2025 Spruce Gravel Bike
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We have done our best to sufficiently estimate demand. Please contact us if you have a question or wish to check availability.
Details
Medium and Large in stock now! Delivery in 2-3 working days. Other sizes shown available with Cannondale. Expect delivery within 3-4 working days of placing an order.
An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute.
Straightforward, reliable and a whole hell of a lotta fun, the Topstone Alloy is a gravel bike crafted for those with a taste for adventure – and value. Roll light and free, or load it up for a long haul, Topstone’s comfortable ride, confident handling and up-for-anything capability make it the perfect partner on any road, anywhere.
Clearance for big 45mm tires lets you push further into the rough stuff, and enjoy more grip and comfort on every ride.
Specification
Frame | Lightweight SmartForm C2 Alloy, 12×142 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, 12×100 thru-axle, fender/gear mounts |
Rims | GXD 1.0, 28h, 23mm internal width, tubeless ready |
Front Hub | Shimano TC500, 12×100mm centerlock |
Rear Hub | Shimano TC500, 12×142mm centerlock |
Spokes | Stainless Steel, 14g |
Tyres | WTB Riddler TCS Light, 700 × 37c, 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, band-on |
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” – 1-1/2” |
Brakes | Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors |
Brake Levers | Shimano GRX 400 hydraulic disc |
Saddle | Selle Royal SRX Open |
Seatpost | Cannondale 3, 6061 Alloy, 27.2 × 350mm |
Extras | Tubeless Valves |
Specifications are subject to change without notice
Size Guide
Frame Size | Minimum Height | Maximum Height |
XS | 147cm (4’10”) | 165cm (5’5”) |
SM | 160cm (5’3”) | 175cm (5’9”) |
MD | 170cm (5’7”) | 185cm (6’1”) |
LG | 177cm (5’10”) | 193cm (6’4”) |
XL | 182cm (6’0”) | 203cm (6’8”) |
We have developed our size guide from our selling experience and it may differ from the manufacturers guide. Please note, this is only a guide and if you have any concerns over sizing please get in contact
Geometry

Frame Size | XS | SM | MD | LG | XL |
A – Seat Tube Length | 41.0cm | 45.8cm | 50.5cm | 55.3cm | 60.0cm |
B – Top Tube Horizontal | 53.3cm | 54.4cm | 55.7cm | 57.2cm | 58.7cm |
C – Top Tube Actual | N/A | N/A | N/A | N/A | N/A |
D – Head Tube Angle | 70.0° | 71.2° | 71.0° | 71.0° | 71.0° |
E – Seat Tube Angle Effective | 73.1° | 73.1° | 73.1° | 73.1° | 73.1° |
E – Seat Tube Angle | 71.8° | 71.8° | 71.8° | 71.8° | 71.8° |
F – Standover | 70.3cm | 74.4cm | 78.4cm | 82.4cm | 86.4cm |
G – Head Tube Length | 8.6cm | 11.5cm | 14.7cm | 18.0cm | 21.2cm |
H – Wheelbase | 101.6cm | 102.7cm | 104.5cm | 106.5cm | 108.3cm |
I – Front Center | 59.3cm | 60.3cm | 62.1cm | 64.1cm | 65.9cm |
J – Chain Stay Length | 43.5cm | 43.5cm | 43.5cm | 43.5cm | 43.5cm |
K – Bottom Bracket Drop | 7.5cm | 7.5cm | 7.5cm | 7.5cm | 7.5cm |
L – Bottom Bracket Height | 28.0cm | 28.4cm | 28.4cm | 28.4cm | 28.0cm |
M – Fork Rake | 5.5cm | 5.5cm | 5.5cm | 5.5cm | 5.5cm |
N – Trail | 7.2cm | 6.5cm | 6.5cm | 6.5cm | 6.5cm |
0 – Stack | 51.8cm | 54.9cm | 57.9cm | 61.0cm | 64.0cm |
P – Reach | 33.8cm | 37.7cm | 38.5cm | 39.4cm | 40.2cm |
Want to compare the size of your current bike to this one? Read our Reach and Stack guide here.
Manufacturer | Cannondale |
---|---|
RRP | No |