Description
Powerfly FS+ 4 is a full-power full suspension electric mountain bike for taking on alpine adventures. It features 120mm of rear and 130mm of front trail-smoothing travel and a powerful Bosch Performance Line CX motor with a PowerMore compatible Removable Integrated Battery 2.0 (RIB 2.0) for getting way, way out there. Click here for more details.
*Please note – spec applies to all sizes unless listed separately
- Frame
- Alpha Platinum Aluminum, Removable Integrated Battery (RIB 2.0), tapered headtube, guided internal routing, Motor Armor, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, 34.9mm seat tube, ABP, UDH, rack and mudguard mounts, Boost 148, 120 mm travel
- Fork
- RockShox Recon Silver RL, Solo Air, Motion Control damper, lockout, tapered steerer, 42mm offset, Boost110, 15mm Maxle Stealth, 130mm travel
- Shock
- RockShox Deluxe Select R, 210x50mm
- Hub front
- Shimano TC500 alloy, centerlock, 110x15mm thru axle
- Hub rear
- Shimano TC500 alloy, centerlock, 148x12mm thru axle
- Skewer rear
- Bontrager Switch thru axle, removable lever
- *Rim
- Size: S , M , L , XL
Bontrager Line TLR 30, Tubeless Ready, 28-hole, Presta valveSize: S , M , L , XL
Bontrager Line TLR 30, Tubeless Ready, 32-hole, Presta valve - *Tire
- Size: S
Bontrager Gunnison Pro XR, Tubeless Ready, wire bead, 60 tpi, 27.5×2.40”Size: M , L , XL
Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29×2.40” - Tire part
- Bontrager TLR sealant, 6oz
- Rim strip
- Bontrager TLR
- Max tire size
- Frame: 29×2.50″ (S: 27.5×2.50″), Fork: see manufacturer
- Battery
- Bosch PowerTube 600Wh, smart system
- Charger
- Bosch standard 2A, 110V, smart system
- Computer
- Bosch Purion 200
- Motor
- Bosch Performance Line CX, 20 mph / 32 km/h max assist (25 km/h max assist in EU and APAC)
- E-bike Classification
- Class 1
- Shifter
- Shimano U6000, 10 speed
- Rear derailleur
- Shimano CUES U6000 GS
- Crank
- FSA Bosch CK-220, 36T ring, 165mm length
- Chainring
- FSA, 36T, steel
- Cassette
- Shimano CUES LG300, LINKGLIDE, 11-48, 10 speed
- Chain
- Shimano LG500, 9/10/11 speed
- Pedal
- VP-536 nylon platform
- Max chainring size
- 1x: 38T
- Saddle
- Bontrager Verse P3, steel rails
- *Seatpost
- Size: S
Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6mm, 310mm lengthSize: M , L , XL
Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 31.6mm, 450mm length - Handlebar
- Bontrager Comp, alloy, 31.8mm, 40mm rise, 780mm width
- Grips
- Bontrager XR Trail Comp, nylon lock-on
- Stem
- Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length
- Headset
- FSA IS-2, 1-1/8” top, 1.5” bottom
- Brake
- Tektro Gemini SL 4 piston hydraulic brake
- Brake rotor
- Tektro, centerlock, 203mm
- Rotor size
- Max brake rotor sizes – Frame: 220mm, min 180mm, Fork: see fork manufacturer
- Fender
- Trek custom fender
- Weight
- M – 24.58 kg / 54.19 lbs (with TLR sealant, no tubes)
- Weight limit
- This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).


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