How to Choose an Electric Bike
Tern GSD P10 Gen 3 Electric Bike
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Haul kids and cargo with ease with this Tern e-bike. Its Bosch Cargo Line motor offers Class 1 pedal assist for up to 63 mi. The 1 x 10-speed Shimano drivetrain provides smooth, efficient shifting.
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E-Bike Classification
Class 1: pedal assist up to 20 mph
Motor
Bosch Cargo Line, 400% assist, 85 Nm torque, max pedal assist speed 20 mph (US)
Battery Capacity (Wh)
500 watt hours
Weight
76 lbs. 6.4 oz.
- Hauling capacity rated to a maximum gross vehicle weight of 463 lbs. (210 kg) with a rear rack load capacity of 220 lbs. (100 kg)
- Easy-sharing cockpit adjusts without tools to fit riders 4'11" to 6'7" (150 to 200 cm) tall and weighing up to 287 lbs. (130 kg)
- User-friendly Bosch® e-bike system with Purion display helps you stay informed and in control on the road
- Powerful Bosch Cargo Line motor provides up to 85 Nm of torque and 400% support
- 500Wh battery provides a pedal assist range of 25 to 63 miles (40 to 97.5 km)
- Dual-battery compatible: Add a second battery (not included) to power through heavy use and long distances of up to 129 mi. (207 km)
- Shimano® Deore 1 x 10-speed drivetrain for smooth, efficient shifting
- Magura® 4-piston hydraulic disc brakes deliver precise and responsive stopping power
- Robust, locking dual-leg kickstand with remote unlock and integrated foot extensions for maximum loading stability
- UL 2849-certified e-bike system and third-party tested to meet German cargo bike standard DIN 79010 for superior safety and reliability
- NOTE: Specs and images are subject to change based on component availability
Imported.
This e-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 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.
UL2849 certified
View all Tern Electric Cargo 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
- An additional year of free adjustments on e-bikes
- 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 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.
UL2849 certified
| Best Use | Urban Cycling |
|---|---|
| E-Bike Classification | Class 1: pedal assist up to 20 mph |
| Motor | Bosch Cargo Line, 400% assist, 85 Nm torque, max pedal assist speed 20 mph (US) |
| Motor Type | Mid-Drive |
| Motor Torque (Nm) | 85 Newton meters |
| Battery Type | Lithium Ion |
| Battery Capacity (Wh) | 500 watt hours |
| Battery Removable | Yes |
| Charge Time (hrs) | 2.5-4 hours |
| Pedal Assist Range | 25-63 miles |
| Frame | Tern GSD, 6061-AL, patented MultiTruss design, DIN 79010 certified: 210 kg |
| Step-Through | Yes |
| Bike Suspension | Front Suspension |
| Fork | Suntour custom for Tern, 1.5 in. tapered chromoly steerer, 32 mm stanchions, thru axle, 50 mm travel, EFBE approved: 210 kg |
| Fork Travel | 50 millimeters |
| Crankset | Tern GSD, forged 6061-AL DH crankarm |
| Bottom Bracket | Motor Integrated |
| Shifters | Shimano Deore, 1 x 10-speed |
| Rear Derailleur | Shimano Deore Shadow+ |
| Rear Cogs | Shimano 11-42T, 10-speed |
| Number of Gears | 10 gear(s) |
| Brake Type | Hydraulic Disc Brake |
| Brakes | Magura MT5, 4-piston hydraulic disc, 180 mm rotor, Sport pads |
| Brake Levers | Magura MT5 e-stop hydraulic with brake light sensor |
| Rims | Tern Atlas, ultrawide 36 mm, dual-reinforced joint |
| Front Hub | Tern Atlas, cooling fins, Boost thru axle, sealed cartridge bearings |
| Rear Hub | Tern Atlas, cooling fins, Boost thru axle, Syntace X-12 standard |
| Wheel Size | 20 inches |
| Tires | Front: Schwalbe Big Ben Plus 20 in. x 55 mm, Green Guard puncture protection, Reflex; rear: Tern x Schwalbe Super Moto-X 20 in x 62 mm, Green Guard puncture protection, Reflex |
| Tire Width | 55 millimeters 62 millimeters |
| Handlebar Shape | Riser Bar |
| Handlebar | Tern Sweep, 6061-AL, Tern Andros adapted |
| Stem | Tern Andros, adjustable, forged construction, patented technology |
| Seat Post | Tern VLT (Very Large Telescope) with LightAction levers |
| Saddle | Tern GSD by Velo |
| Pedals | Urban with nonslip surface, sealed bearings |
| Headset | Tern Flux Pro Taper by FSA, 1.5 in., angular contact bearings, Physis integrated |
| Chain | KMC 10-speed for e-bike, EPT corrosion-resistant coating |
| Weight | 76 lbs. 6.4 oz. |
| Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
| Gender | Unisex |
| Sustainability | Contains materials that meet the bluesign® criteria |
Tern Bikes (252801)
| One Size | |
|---|---|
| Height Range | 4'11" - 6'7" |
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.
