How to Choose a Gravel Bike
Cannondale Topstone 2 1x Bike
$2,199.00
Explore farther. Ride freer. A capable, versatile gravel road bike, the Cannondale Topstone 2 1x bike is built for chasing horizons, exploring routes less traveled, and accelerating your commute.
Key Details
Wheel Size
700c
Number of Gears
11 gear(s)
- Straightforward, reliable and a whole lotta fun, this gravel bike is crafted for those with a taste for adventure
- Roll light and free, or load it up for a long haul—with its comfortable ride, confident handling and up-for-anything capability, it's the perfect partner on any road, anywhere
- Built for traction, handling and comfort, this bike thrives on gravel roads and out in the elements
- Highlights include a lightweight SmartForm C2 Alloy frame with full carbon fork, Shimano CUES 1 x 11-speed drivetrain and powerful disc brakes
- Clearance for big 45 mm tires lets you push farther into the rough stuff and enjoy more grip and comfort on every ride
- Everything on the Topstone 2 is designed for simplicity, ease of use and compatibility so you can enjoy less down time and more ride time
- With plentiful gear and water bottle mounts on the frame and fork, Topstone 2 is ready to load up and go long
- With OutFront Steering Geometry, an extra-long fork offset and a slack head angle keep steering light and lively while delivering confidence at speed and in the rough stuff
- Light, comfortable and precise, the full carbon fork features 3 mount bosses on each leg for max cargo capacity
- Fork also features an easy mounting point for fenders, letting you ride any adventure in any conditions
- Built to accept an internally routed 27.2 mm dropper seatpost (not included)
- Pedals not included
- NOTE: Specs and images are subject to change based on component availability
Imported.
This bike comes with Coast to Coast Support, which includes:
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
View the Cannondale Topstone Product LineView all Cannondale Gravel Bikes- 1 year of free adjustments (see more below)
- In-store bike assembly
- Pickup in store or curbside
- Bike experts available at 170+ bike shops
- 20% off shop services
- Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
| Best Use | Gravel Cycling |
|---|---|
| Frame | Topstone, lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts |
| Bike Suspension | No Suspension |
| Fork | Topstone Carbon, 1-1/8 to 1-1/2 in. steerer, 55 mm OutFront offset, flat-mount disc, internal routing, 12 x 100 mm thru axle, triple bottle/gear mounts, fender mounts |
| Crankset | Shimano CUES, 40T |
| Bottom Bracket | Shimano BSA 68 |
| Shifters | Shimano CUES U6030, 11-speed |
| Rear Derailleur | Shimano CUES U6000 GS |
| Rear Cogs | Shimano CUES LG400, 11-50T, 11-speed |
| Number of Gears | 11 gear(s) |
| Brake Type | Hydraulic Disc Brake |
| Brakes | Shimano CUES 6030 hydraulic disc, 180/160 mm RT30 rotors |
| Brake Levers | Shimano CUES U6030 |
| Rims | GXD 1.0, 28h, 23 mm internal width |
| Front Hub | Shimano TC500, 12 x 100 mm Center Lock |
| Rear Hub | Shimano TC500, 12 x 142 mm Center Lock |
| Wheel Size | 700c |
| Tires | WTB Riddler TCS Light, tubeless ready |
| Tire Width | 37 millimeters |
| Handlebar Shape | Drop Bar |
| Handlebar | Cannondale 3, butted 6061 alloy, 16 deg. flare drop |
| Stem | Cannondale 3, 6061 alloy, 31.8 mm, 7 degrees |
| Seat Post | Cannondale 3, 6061 alloy, 27.2 x 350 mm |
| Saddle | Selle Royal SRX Open |
| Pedals | Not Included |
| Headset | Integrated, 1-1/8 to 1-1/2 in. |
| Chain | Shimano LG500 Linkglide, 11-speed |
| Weight | Unavailable |
| Gender | Unisex |
Cannondale Bikes (248906, 248907, 208190)
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Height Range | 4'10" - 5'5" | 5'3" - 5'9" | 5'7" - 6'1" | 5'10" - 6'4" | 6'0" - 6'8" |
| Reach | 36.8 | 37.7 | 38.5 | 39.4 | 40.2 |
| Stack | 51.8 | 54.9 | 57.9 | 61.0 | 64.0 |
| Effective Top Tube | 53.3 | 54.4 | 55.7 | 57.2 | 58.7 |
| Seat Tube Center-Top | 41.0 | 45.8 | 50.5 | 55.3 | 60.0 |
| Standover Height | 70.3 | 74.4 | 78.4 | 82.4 | 86.4 |
| Head Tube Length | 8.6 | 11.5 | 14.7 | 18.0 | 21.2 |
| Head Tube Angle (degrees) | 70.0 | 71.0 | 71.0 | 71.0 | 71.0 |
| Seat Tube Angle (degrees) | 71.8 | 71.8 | 71.8 | 71.8 | 71.8 |
| Bottom Bracket Height | 28.0 | 28.4 | 28.4 | 28.4 | 28.0 |
| Wheelbase | 101.6 | 102.7 | 104.5 | 106.5 | 108.3 |
| Chainstay | 43.5 | 43.5 | 43.5 | 43.5 | 43.5 |
| Fork Offset | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
Sizing Notes
Measurements are stated in centimeters unless otherwise indicated.
How we measure bikes
- Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
- Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
- Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
- Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
- Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
- Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
- Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
- Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
- Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
- Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
- Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
- Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.
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Location:San Mateo
Age:25–34
Weight:175–200 lbs.
Height:5'5"
Experience Level:Casual
Riding Frequency:Multiple times per week
1 month ago
I’m so happy I made the investment
Yes , I recommend this product
I bought this bike in December of 2025 and I’m so happy I did. It rides smooth and it changes gear so nicely. Also, it’s so much lighter than my old bike. Super happy
Age:25–34
Weight:175–200 lbs.
Height:5'5"
Experience Level:Casual
Riding Frequency:Multiple times per week
1 month ago