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2021 Trek Powerfly FS 4 E-Bike
(discontinued)

Discontinued
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Related:
Trek
Where To Buy
Free standard shipping on all bikes (continental U.S. only).
Flat rate shipping to Hawaii and Alaska.
Free standard shipping on all bikes (continental U.S. only).
Flat rate shipping to Hawaii and Alaska.
$3,999.99
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.

Specifications

Product
Trek Powerfly FS 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, eMTB Lite, Eco, Walk Assist
Max Speed with Assist
20 mph (32 km/h)
Frame Material
Aluminum
Frame Material Details
Alpha Platinum Aluminum, magnesium rocker link, Motor Armor
Rear Travel
100mm
Rear Shock
SR Suntour Edge R, 190mm x 45mm
Fork
SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, oversized eMTB crown, 41mm offset (XS/SM), 44mm offset (MD/LG/XL)
Fork Travel
XS: 100mm
SM/MD/LG/XL: 120mm
Head Tube Diameter
Tapered, 1.125" top, 1.5" bottom
Headset
 
Handlebar
Bontrager alloy, 31.8mm clamp diameter, 15mm rise, 720mm width
Stem
Bontrager alloy, 31.8mm bar clamp, Blendr compatible, 7° rise
Length: 60mm (XS/SM), 70mm (MD/LG/XL)
Grips
Bontrager XR Trail Comp, nylon 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 M5120, 10-speed, long cage
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
Alexrims MD35, tubeless ready, 32 hole, 35mm width
Hubs
Bontrager, sealed bearing, 6-bolt rotor mounts, 32 hole, 15x110mm Boost front, 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 Arvada, steel rails, 138mm width
Seatpost
TranzX JD-YSP18 dropper
Drop: 100mm (XS/SM/MD), 130mm (LG/XL)
Seatpost Diameter
31.6mm
Seatpost Clamp
Single bolt
Rear Dropout / Hub Dimensions
12x148mm Boost
Max. Tire Size
 
Bottle Cage Mounts
One inside front triangle
Colors
Matte Gunmetal/Matte Black, Purple Flip/Trek Black
Warranty
Lifetime frame and wheels; 2 years Trek/Bontrager parts, suspension linkage components, and paint/decals
Weight
54 lb 14.0 oz (24,890 g)
Miscellaneous
XS/SM get 27.5" wheels; MD/LG/XL get 29" wheels
Removable Integrated Battery (RIB) system
Internal cable routing
Weight given for MD frame with tubes
Includes Bosch compact 2A (100-240V) charger
Includes rack and fender mounts
Internally wired to accept optional front and rear lights
Integraged speed sensor at rear dropout
Price
$4,599.99
More Info

trekbikes.com

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Where To Buy
Free standard shipping on all bikes (continental U.S. only).
Flat rate shipping to Hawaii and Alaska.
Free standard shipping on all bikes (continental U.S. only).
Flat rate shipping to Hawaii and Alaska.
$3,999.99
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.
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