Cannondale Topstone Carbon 4 CUES 1x Bike
Go beyond the pavement's end with this Cannondale gravel bike. It features a bump-absorbing KingPin carbon frame. And it has Shimano CUES U6000 1 x 11-speed shifting and CUES hydraulic disc brakes.
Key Details
- This bike is designed for gravel riding and racing, bikepacking, singletrack exploration and getting after it beyond the pavement's end
- Lightweight full carbon frameset
- Durable, reliable, wide-range, 1 x 11-speed shifting with the Shimano CUES U6000 group
- Powerful, controllable braking from Shimano CUES hydraulic disc brakes
- KingPin innovative gravel rear suspension is light, simple and effective
- Maintenance-free and complexity-free, KingPin gives the Topstone frame legit rear-wheel travel without compromising stiffness for the sprint
- A thru-axle pivot in the seat tube allows the rear triangle and seatpost of the bike to flex vertically, delivering up to 30 mm of bump-smoothing travel
- Durable, dependable WTB ST i25 rims, with Shimano hubs and WTB Riddler 42 mm tubeless-ready gravel tires
- Proportional Response size-specific construction creates optimal stiffness and compliance for each frame size so every rider has the ideal ride feel and comfort of KingPin
- Everything from the carbon layup to the geometry on the Topstone is individually tuned by frame size
- OutFront steering Geometry features an extra-long fork offset paired with a slack head angle to keep the steering light and lively; delivers confidence at speed
- Cannondale 3 flared handlebar offers comfortable, gravel-friendly hand positions
- StashPort storage system in the down tube is designed to be concealed yet convenient; accessed beneath the water bottle cage
- Paired with the special StashBag (included), the StashPort storage system lets you bring your essentials along for the ride and know that they'll be kept secure
- Multiple mounting points on the frame mean more gear and more adventures
- The frame fits tires up to 52 mm wide with a single ring setup, or 50 mm for a 2x, while the fork fits up to a whopping 56 mm wide tire
- Dropper ready; built to accept an internally routed 27.2 mm dropper seatpost (not included)
- Internal cable routing throughout the frame, combined with Conceal Stem, delivers a tidy, integrated look
- Pedals not included
- NOTE: Specs and images are subject to change based on component availability
Imported.
- 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 Carbon, KingPin suspension system, Proportional Response construction, downtube StashPort, internal cable routing, 12x142 mm thru axle, UDH, BSA 68 mm threaded BB, flat mount disc |
| Bike Suspension | No Suspension |
| Fork | Topstone Carbon, 1-1/8 in. to 1.5 in. steerer, 55 mm OutFront offset, flat mount disc, internal routing, 12 x 100 thru axle, triple bottle/gear mounts, fender mounts |
| Crankset | Shimano CUES 6030, 40T: 165 mm (47 cm), 170 mm (51 cm), 172.5 mm (54-56 cm), 175 mm (58-61 cm) |
| Bottom Bracket | Shimano BSA 68 |
| Shifters | Shimano CUES U6030, 11-speed |
| Front Derailleur | N/A |
| Rear Derailleur | Shimano CUES U6000, Shadow RD+, 11-speed |
| Rear Cogs | Shimano CUES LG400, 11-50, 11-speed |
| Number of Gears | 11 gear(s) |
| Brake Type | Hydraulic Disc Brake |
| Brakes | Shimano CUES RS405 hydraulic disc, 160/160 mm RT30 rotors |
| Brake Levers | Shimano CUES U6030 hydraulic disc |
| Rims | WTB ST i25 TCS, 28h, tubeless ready |
| Front Hub | Shimano TC500, centerlock 12 x 100mm |
| Rear Hub | Shimano TC500, centerlock 12 x 142 mm |
| Wheel Size | 700c |
| Tires | WTB Riddler TCS Light, 700c x 45 mm, tubeless ready |
| Tire Width | 45 millimeters |
| Handlebar Shape | Drop Bar |
| Handlebar | Cannondale 3, butted 6061 alloy, 16° flare, 120 mm drop: 400 mm (47cm), 420 mm (51-54), 440 mm (56-61cm) |
| Stem | Cannondale 3, 6061 alloy, 31.8, 7°: 70 mm (47-51m), 80 mm (54cm), 90 mm (56-58cm), 100 mm (61cm) |
| Seat Post | Cannondale 3, 6061 alloy, 27.2 x 350 mm |
| Saddle | Selle Royal SRX Open, 148 mm |
| Pedals | Not included |
| Headset | Acros IS52/40 ICR |
| Chain | Shimano LG500, LinkGlide, 11-speed |
| Weight | Unavailable |
| Gender | Unisex |
| 51 CM | 54 CM | 56 CM | 58 CM | 61 CM | |
|---|---|---|---|---|---|
| Height Range | 5'5''-5'9'' | 5'8'-5'11'' | 5'10''-6'1'' | 6'0''-6'4'' | 6'3''-6'7'' |
| Reach | 37.3 | 37.8 | 38.3 | 38.9 | 39.7 |
| Stack | 56.1 | 57.9 | 59.7 | 61.5 | 64.6 |
| Effective Top Tube | 52 | 53.1 | 54.3 | 55.7 | 57.4 |
| Seat Tube Center-Top | 44.6 | 48.2 | 51.8 | 55.4 | 59 |
| Standover Height | 74.1 | 77.2 | 80 | 83.1 | 86.4 |
| Head Tube Length | 10.1 | 12.3 | 14.2 | 16.4 | 19.6 |
| Head Tube Angle (degrees) | 70.7 | 70.7 | 70.7 | 70.7 | 70.7 |
| Seat Tube Angle (degrees) | 73.1 | 73.1 | 73.1 | 73.1 | 73.1 |
| Bottom Bracket Height | 28 | 28.3 | 28.3 | 28.5 | 28.5 |
| Wheelbase | 101.2 | 102.6 | 103.6 | 105 | 106.9 |
| Chainstay | 42 | 42 | 42 | 42 | 42 |
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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