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2026 Stevens

E-Triton 7.8.1 Plus Forma

A 29″ aluminum frame commuter e-bike with mid-range components and tektro volans hydraulic disc brakes.
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Manufacturer Price

€4,499($5,156)
Weight65.5 lbs  
FrameAluminum
SuspensionHardtail, 80mm
ForkSuntour MOBIE
Wheels29″ Aluminum
Drivetrain1 × 11
GroupsetCUES
MotorBosch 250W 90Nm mid-drive
BatteryBosch 800Wh
BrakesTektro Volans Hydraulic Disc
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Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

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Geometry
Specs
Build
Frame

Aluminium 6061, O.L.D.: 148 mm, Brake: Flatmount disc 7", BB: Bosch, Cable routing: internal

BB StandardBosch, Press Fit

ColorRiver Stone

Fork

SR Suntour Mobie34-Boost 2CR, Travel: 80 mm, Air suspension, Tapered Steerer 1 1/8" - 1.5", O.L.D.: 110 mm, Brake: postmount disc 7"

Travel80mm

Spring TypeAir

Bottom Bracket

Bosch, press-fit

Headset

Acros Blocklock Taper 1 1/8"-1 1/2", Upper bearing cup: ZS56/28.6, Lower bearing cup: ZS66/40

Stem

Oxygen Versa III, adjustable, Handlebar clamp: 31.8 mm, Angle: adjustable (0° - 90°)

Handlebar

Scorpo Rise, Width: 700 mm, Backsweep: 9°, Rise: 25 mm, Clamp: 31.8 mm

Saddle

Selle Royal Vivo Ergo Royal

Seatpost

Scorpo, Length: 320 mm, Diameter: 30.9 mm, Insertion depth: min. 100 mm, Offset: 10 mm

TypeRigid

Pedals

ATB Alu Pro Reflex

Groupset
Rear Derailleur

Shimano CUES U6000 Shadow+, RD-U6000-GS, 10/11-speed, Total capacity: 39 T

Crank

FSA CK-747/IS, BB type: Bosch / ISIS

Shifters

Shimano CUES U6000, SL-U6000-11R, 11-speed

Cassette

Shimano CS-LG400-11, 11-speed, Combination: 11-13-15-17-20-23-26-30-36-43-50 T

Chain

Shimano CN-LG500, LINKGLIDE

Brakes

Tektro Volans, HD-T532-F, Hydraulic disc brake, 4 pistons

TypeTektro Volans Hydraulic Disc

Brake Levers

Tektro HD-T532, 3 finger

Wheels
Rims

Oxygen RM-T25 Disc, ETRTO: 25 x 622

Front Hub

Strummer G15-3, Axle: QR15x110 mm

Rear Hub

Strummer M42-3, Axle: QR12x148 mm

Tires

Schwalbe Marathon E-Plus Performance, Tire size: 50-622, ADDIX E compound, SmartGuard, Reflective stripes

Electric Components
Motor

Bosch Performance Line PX, BDU347Y, The smart system, Continuous rated power: 250 W, Max. torque: 90 Nm, Breakaway at 25 km/h (15.5 mph), No of notches: 4 drive modes with support levels 60-600 % plus walk assistance (600 % available up to 15 km/h, then 400%), Mileage: See BOSCH Range Assistant

Battery

Bosch PowerPack 800, The smart system, Capacity: 800 Wh/22.2 Ah, Voltage: 36 V, Technology: Li-Ion

Display

Bosch Kiox 300, The smart system

Charger

Bosch 4A charger

Accessories
Lights

Front: B+M Briq-S Premium E T Senso+, Illuminance: 110 lux, Always On function, Rear: B+M Shine Evo, Integrated taillight

Fenders

Curana Apollo 60

Racks

Racktime Shine Evo RTA rear rack, Rear rack mount: RTA, System: SNAP IT

Bell

STEVENS D85 bell

Rider Notes
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First added November 8

Last updated June 20