Trek Powerfly FS 4 Gen 3
Trek Powerfly FS 4 Gen 3

Trek Powerfly FS 4 Gen 3

Regular price £4,175.00 Sale price £3,349.00 Save 20%
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Only 10 available!

The Powerfly FS 4 is a trail-ready full-suspension electric mountain bike that's eager to roll onto the singletrack. The plush suspension set-up soaks up rough terrain and the powerful Bosch electric drive system boosts your capacity to crush long and punchy climbs and mile after mile of singletrack. The new LED remote and Intuvia 100 display pair with the eBike Flow app to give you activity tracking, navigation and Bluetooth connectivity.


It's right for you if...

You want to boost your mountain biking capabilities with a high-end pedal-assist system. You plan to hit the trail often, and want an upgraded parts spec that'll help you push your limits.

 

The tech you get

A durable aluminium frame with an ultra user-friendly Removable Integrated 625 Wh Battery, a powerful Bosch Performance CX (250 Wh, 85 Nm) motor that helps you sustain speeds of up to 20 mph (25 km/h in Europe) and a smart system LED controller and Intuvia 100 display. Plus, an SR Suntour 120 mm suspension fork, 100mm of rear travel, a 10-speed Shimano drive train, powerful hydraulic disc brakes and a dropper post.

 

The final word

This full-suspension e-MTB boosts comfort and capability on the trail with just the right amount of power to get you through long miles and up steep climbs. Its suspension package cushions rough trails so you can comfortably reach new destinations.

Frame Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, internal routing, Motor Armour, rocker link, rack and mudguard mount, ABP, Boost148, 100 mm travel
*Fork Size: XS , S
SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm bolt-on thru axle, 100 mm travel
Size: M , L , XL
SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm bolt-on thru axle, 120 mm travel
Shock SR Suntour Edge R, 190 mm x 45 mm
Max compatible fork travel 120mm (XS and S: 520mm axle-to-crown, M and up: 545mm axle-to-crown)
Wheels
Hub front Bontrager sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
Hub rear Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle
Skewer rear Bontrager Switch thru-axle, removable lever
Rim Alex MD35, tubeless compatible, 32-hole, 35 mm width, Presta valve
*Tyre Size: XS , S
Bontrager XR3 Comp, wire bead, 30 tpi, 27.5x2.35"
Size: M , L , XL
Bontrager XR3 Comp, wire bead, 30 tpi, 29x2.30"
Max tyre size Frame: 29x2.40" (XS & S: 27.5x2.60"), Fork: See manufacturer
Drivetrain
Shifter Shimano Deore M4100, 10 speed
Rear derailleur Shimano Deore M5120, long cage
Crank FSA Bosch CK-220, 36T ring, 165 mm length
Chainring FSA, 36T, steel
Cassette Shimano Deore M4100, 11-46, 10-speed
Chain KMC X10, 10-speed
Pedal VP-536 nylon platform
Max. chainring size 1x: 46T, min 34T
Components
Saddle Bontrager Arvada, steel rails, 138 mm width
*Seatpost Size: XS , S , M
TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length
Size: L , XL
TranzX JD-YSP18, 130mm travel, internal routing, 31.6 mm, 425 mm length
Handlebar Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width
Grips Bontrager XR Trail Comp, nylon lock-on
*Stem Size: XS , S
Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length
Size: M , L , XL
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length
Head set FSA IS-2
Brake rotor Tektro, 6-bolt, 203 mm
Brake Set Tektro HD-M275 hydraulic disc
Rotor size Max brake rotor sizes - Frame: 203mm, Fork: see fork manufacturer
Accessories
Battery Bosch PowerTube 625Wh, smart system
Charger Bosch standard 4A, 230V, smart system
Controller Bosch Intuvia 100, smart system
Motor Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm
Computer Bosch LED remote, smart system
Weight
Weight M - 25.23 kg / 55.63 lbs