Features
- SmartForm C1 alloy frame and a full carbon fork are lightweight, durable and high-performance
- Shimano GRX 1 x 11-speed shifting and GRX hydraulic disc brakes provide reliable performance for rides across varied terrain
- Bosch Performance Line Speed motor and 500 Wh Power Tube battery provide pedal assist up to 28 mph with a maximum range of 70 miles
- Easy-to-use Bosch Purion display and control unit keeps you in command with a high-contrast data screen and intuitive mode selection no matter where or how you ride
- Dialed riding position is upright enough for comfort over the long haul and control when tackling off-road terrain, yet still low and forward enough for speedy efficiency
- Comes with big 700c x 36 mm tires for grip and comfort; tons of clearance means room for tires up to 42 mm—there’s even room for fenders
- Multiple mounts provide space for water bottles, racks and storage
- Pedals not included
- Specs and images are subject to change
Imported.
This e-bike comes with Coast to Coast Support, which includes:
- 1 year of free adjustments (see more below)
- In-store bike assembly
- Pickup in store or curbside
- Bike experts available at 170+ bike shops
REI Co-op Members get more:
- An additional year of free adjustments (2 total years; see below)
- Free flat tire repairs (labor only; parts not included)
- 20% off shop services
More about our free adjustments:New bikes go through a normal break-in period, after which they should be readjusted. All electric bicycles sold at REI include free adjustments for the defined period (one year after purchase date for non-members, or two years for REI Co-op Members)—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation, chain lubrication and e-bike firmware updates. 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
Technical Specs
Road Cycling Gravel Cycling |
Class 3: pedal assist up to 28 mph |
Bosch Performance Line Speed |
Mid-Drive |
85 Newton meters |
Lithium Ion |
500 watt hours |
Yes |
3.5 hours |
70 miles |
SmartForm C1 Alloy Frame, 12 x 142 mm thru axle, removable down tube battery, SAVE, Ai, Si kickstand mount, rack/fender mounts |
No |
No Suspension |
1-1/8 to 1-1/4 in. steerer, 55 mm OutFront offset, flat mount disc, internal routing, 12 x 110 mm thru axle |
Not Applicable |
FSA Bosch E-Bike, FSA Megatooth, 42T |
Shimano GRX 600, 1 x 11-speed |
Shimano GRX 400, braze-on |
Shimano GRX 400, Shadow RD+ |
11-42T, 11-speed |
11 gear(s) |
Hydraulic Disc Brake |
Shimano GRX hydraulic disc, 160 mm RT54 rotors |
Shimano GRX hydraulic disc |
WTB ST TCS i23 28 h, tubeless ready |
Formula CSG-1905, 12 x 110 mm thru axle |
RXC-142S, 12 x 142 mm thru axle |
700c |
WTB Exposure, 700c x 36 mm, tan sidewall, tubeless ready |
36 millimeters |
Drop Bar |
Cannondale 3, butted 6061 alloy, 16 deg. flare drop |
Cannondale 2, 6061 alloy, 31.8 mm, 7 deg. |
Promax SP-2032, alloy, 27.2 mm |
Fabric Scoop Shallow Sport, steel rails |
Not included |
Integrated, 1-1/2 in. lower to 1-1/8 in. upper w/ reducer, 25 mm alloy top cap |
KMC X10EL, 10-speed |
Unavailable |
Bike weight is based on median size, as sold, or the average of two median sizes. |
Unisex |
Size Chart
5’4″ – 5’9″ | 5’7″ – 6’1″ | 5’11” – 6’4″ | 6’3″ – 6’8″ |
37.7 | 38.7 | 39.4 | 40.2 |
54.7 | 57.8 | 61.1 | 64.0 |
53.4 | 55.3 | 56.9 | 58.6 |
44.5 | 49.0 | 53.5 | 58.0 |
75.1 | 79.0 | 83.0 | 86.9 |
12.6 | 15.7 | 19.1 | 22.2 |
70.5 | 71.0 | 71.0 | 71.0 |
74.0 | 74.0 | 74.0 | 74.0 |
65.4 | 65.4 | 65.4 | 65.4 |
103.1 | 104.7 | 106.5 | 108.3 |
43.0 | 43.0 | 43.0 | 43.0 |
5.5 | 5.5 | 5.5 | 5.5 |
Sizing Notes
Measurements are stated in centimeters unless otherwise indicated.
How we measure bikes
bike diagram loading
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