2021 Trek Powerfly 4 E-Bike

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Where To Buy
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free U.S. shipping on orders over $45.
International shipping available. Some exclusions apply.

Specifications

Product
Trek Powerfly 4 E-Bike
Model Year
2021
Riding Type
Cross Country
Trail
Rider
Unisex
Sizes and Geometry
XS
SM
MD
LG
XL
Wheel Size
27.5" (650b)
29"
E-Bike Class
Class 1: Pedal Assist (Pedelecs)
Motor
Bosch Performance CX, magnesium motor body, 250W, 75 Nm torque
Battery
Bosch PowerTube 500, integrated, removable
Battery Capacity
500 Wh
Display/Remote
Bosch Purion
Modes
Turbo, Sport/eMTB, Tour, Eco, Walk Assist
Max Speed with Assist
20 mph (32 km/h)
Frame Material
Aluminum
Frame Material Details
Alpha Platinum Aluminum, Motor Armor
Rear Travel
Hardtail
Rear Shock
N/A
Fork
SR Suntour XCM 34, coil spring, preload adjust, lockout, 44mm offset
Fork Travel
XS: 80mm
SM/MD/LG/XL: 120mm
Head Tube Diameter
Tapered, 1.125" top, 1.5" bottom
Headset
FSA IS-2
Handlebar
Bontrager alloy, 31.8mm clamp diameter, 15mm rise, 720mm width (XS/SM), 750mm width (MD/LG/XL)
Stem
Bontrager alloy, 31.8mm bar clamp, Blendr compatible, 7° rise
Length: 50mm (XS), 60mm (SM/MD), 70mm (LG/XL)
Grips
Bontrager XR Endurance Comp, lock-on
Brakes
Tektro HD-M275, 2-piston, Tektro 6-bolt 203mm rotors
Brake Levers
Tektro HD-M275
Drivetrain
1x
Shifters
Shimano Deore M4100, 10-speed
Front Derailleur
None
Rear Derailleur
Shimano Deore M4100, 10-speed
Chainguide
None
Cranks
FSA Bosch CK-220, 165mm length
Chainrings
FSA, 36 tooth
Pedals
VP-536 nylon platform
Chain
KMC X10, 10-speed
Cassette
Shimano Deore M4100, 10-speed, 11-46 speed
Rims
Bontrager Connection, double-wall, 32-hole, 20mm width
Hubs
Front: Formula DC-511, 6-bolt rotor mount, 15x110mm Boost
Rear: Bontrager alloy, sealed bearing, 6-bolt rotor mount, 12x148mm Boost rear with HG driver
Spokes
14g, stainless steel
Tires
Bontrager XR3 Comp, wire bead, 30 TPI, 27.5" x 2.35" (XS/SM) or 29" x 2.3" (MD/LG/XL)
Saddle
Bontrager Commuter Comp
Seatpost
Bontrager alloy, 12mm offset
Length: 330mm (XS/SM), 360mm (MD), 400mm (LG/XL)
Seatpost Diameter
31.6mm
Seatpost Clamp
Single bolt
Rear Dropout / Hub Dimensions
12x148mm Boost
Bottle Cage Mounts
Two inside front triangle
Colors
Lithium Grey/Trek Black, Factory Orange/Lithium Grey, Matte Solid Charcoal/Matte Miami
Warranty
Lifetime frame and wheels; 2 years Trek/Bontrager parts and paint/decals
Weight
52 lb 2.9 oz (23,670 g)
Miscellaneous
XS/SM get 27.5" wheels; MD/LG/XL get 29" wheels
Removable Integrated Battery (RIB) system
Control Freak internal cable routing
Weight given for MD frame with tubes
Includes Bosch compact 2A (100-240V) charger
Includes rack, fender, and kickstand mounts
Price
$3,699.99
More Info
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Where To Buy
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free U.S. shipping on orders over $45.
International shipping available. Some exclusions apply.
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