Ride1Up Roadster v2 and Gravel Roadster v2: parts and specs
Replacement parts and specs for the Ride1Up Roadster v2 and Gravel Roadster v2: 700c tires, Tektro mechanical disc brakes with 160 mm rotors on the Gravel, belt drive with model specific belts, 350 W hub motor and 36V 7Ah internal battery, with Ride1Up's parts pages.
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This page lists the common replacement parts for the Ride1Up Roadster v2 and Gravel Roadster v2, the single speed belt drive bikes sold from 2021 to 2024. Specs are for the stock bike as sold, read Nov 9, 2026; check your own bike before you buy. Full specs are in Ride1Up's Gravel Roadster v2 article, the Roadster v2 belt article, the tire and tube sizing article and the brake pads and rotors article. Fewer specs are published for the road version than for the Gravel, so check your bike where noted.
Photo needed: The Roadster v2 drive side, showing the belt, front pulley and rear cog. For photos, see Ride1Up's pages linked above.. Add one
Electrical parts on this list must match this exact model, and they are fitted at the external plugs or by a pro. Never open the battery, controller, motor or display. For battery and charger trouble, start with battery won't charge and e-bike battery care.
Parts list
- Tire: the Roadster runs 700c x 28 mm at 50 to 85 psi. The Gravel Roadster v2 uses 700c x 42 knobby puncture resistant tires.
- Inner tube: Schrader valve, sized to your tire width.
- Disc brake pads: E10 pads, with an organic option, on the Roadster Gravel.
- Brake rotor: 160 mm on the Gravel.
- Disc brake caliper: Tektro Aries mechanical disc on the Gravel. The road version's brakes aren't published, so check yours.
- Belt drive (no chain): a Top Trans 11M 1287 mm x 12 mm belt on the Roadster V2 and a Gates 118T or 120T belt on the Gravel. The Roadster V2 and Gravel Roadster replacement parts page sells all four belts, a belt tensioner, cog, freehub and crankset, priced when you pick the option, read Nov 9, 2026.
- Hub motor: 350 W, 40 Nm on the Gravel. The rear wheel and motor page has Roadster v2 and Roadster Gravel options, from $150, read Nov 9, 2026.
- E-bike controller: separate throttle and non throttle controllers are sold on the Roadster V2 and Gravel Roadster replacement parts page, priced when you pick the option, read Nov 9, 2026.
- E-bike display: LCD showing speed, battery and distance. Throttle and non throttle displays are sold on the Roadster V2 and Gravel Roadster replacement parts page, priced when you pick the option, read Nov 9, 2026.
- Pedal assist sensor: integrated cadence sensor. A bottom bracket cadence sensor is sold on the Roadster V2 and Gravel Roadster replacement parts page, priced when you pick the option, read Nov 9, 2026.
- E-bike charger: Ride1Up's charger page has a "Roadster v2 & v3" option at $70, read Nov 9, 2026.
- E-bike battery: 36V, 7Ah with Samsung cells, hidden in the frame. The Roadster v2 Replacement Battery is $215, in stock, read Nov 9, 2026, and is not for the CF Racer1 or Roadster v3. Fitting it means removing the controller and downtube cover, so have a shop do it. A mount for the add-on battery is also sold on the Roadster V2 and Gravel Roadster replacement parts page.
- Battery charge port: sold on the Roadster V2 and Gravel Roadster replacement parts page, priced when you pick the option, read Nov 9, 2026.
Tools for common jobs
- Tire levers: getting the 700c tire off for a flat.
- Floor pump with gauge: reaching 50 to 85 psi on the road tire.
- Tire pressure gauge: checking pressure before rides.
- Axle nut wrench: a 15 mm or 18 mm wrench, depending on model, at the rear axle. Re-tension the belt after the rear wheel goes back in.
- Hex keys: 3, 4 or 5 mm keys, depending on model, for the tensioners.
- Torque wrench: stem, seatpost and crank bolts to the values in your manual.
- Torx keys: rotor bolts, typically T25 at 7 Nm.
- Cable cutters: trimming brake cable on the mechanical disc brakes.
- Bike repair stand: a stand helps when setting belt tension: 45 to 50 lb, or 65 to 70 Hz in the Gates app.
No chain tools or chain lube: the belt runs dry. Use a silicone lubricant on the belt.
Where to buy
- Ride1Up's Roadster V2 and Gravel Roadster replacement parts page, from $30, read Nov 9, 2026. Every Ride1Up part is in its parts listing.
- Ride1Up's Roadster v2 Replacement Battery, rear wheel and motor page and charger page.
- Independent sellers: parts suppliers.
- A shop can order and fit parts: find a shop.
Common repairs
- Ride1Up troubleshooting and Ride1Up brake sensor, no motor power
- Adjust mechanical disc brakes and replace disc brake pads
- Fix a flat on a rear hub motor wheel and set tire pressure
Sources
- Gravel Roadster v2 article, ride1up.com
- Roadster v2 belt article, support.ride1up.com
- tire and tube sizing article, support.ride1up.com
- brake pads and rotors article, support.ride1up.com
- Roadster V2 and Gravel Roadster replacement parts page, ride1up.com
- Roadster v2 Replacement Battery, ride1up.com
- rear wheel and motor page, ride1up.com
- charger page, ride1up.com
- parts listing, ride1up.com
Stuck after these checks? Find a shop near you.
If these steps didn't fix it, find a shop near you in our partner network. For battery or wiring trouble, look for shops marked Battery and electrical.
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