Powerfly FS 4 is a full suspension electric mountain bike built to tackle rugged trail adventures and rugged commutes. The plush suspension set-up soaks up rough terrain, and the powerful Bosch electric drive system boosts your capacity to crush climbs and mile after mile of singletrack. Plus, it comes equipped with useful features for everyday riding, like mudguards, lights and a rear rack.
It's right for you if...
You're looking for a powerful e-MTB with trail-smoothing full suspension that you can take on the trail and around town. You want your bike to come stocked with ride-ready features like a rack, mudguards and lights.
The tech you get
A durable aluminium frame that fully encases a long-range 625 Wh battery, a powerful Bosch Performance CX (250 Wh, 75 Nm) motor that helps you sustain speeds of up to 25 km/h and a Kiox controller. Plus, an SR Suntour 120 mm suspension fork, 100 mm 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 is comfortable, efficient and fast on rough terrain. The powerful Bosch electric drive system and loads of utility features tackle any adventure you seek.
Why you'll love it
It comes equipped with mudguards, a rear boot rack and lights that are powered by the battery so you're ready to ride right from the start
The full-colour Kiox controller displays ride info, connects with your Bluetooth® enabled devices and has a built-in theft prevention feature
The dropper post lets you lower your saddle on the fly so it's out of the way on descents
The Purion controller has Walk Assist and an intelligent eMTB mode that automatically delivers the right amount of power based on your terrain
The size S frame features a curved top tube that makes standing over the bike easier. Plus, Smart Wheel Sizing means you'll get the fastest wheel that fits – 29˝ wheels on larger frames, 27.5˝ wheels on smaller frames
Specifications
Frameset
Frame: Alpha Platinum Aluminum, Removable Integrated Battery (RIB), tapered head tube, Knock Block, internal routing, Motor Armor, magnesium rocker link, rack and fender mount, ABP, Boost148, 100mm travel
Fork: SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 44mm offset, oversized crown for eMTB, Boost110, 15mm bolt-on thru axle, 120mm travel
Rear suspension: SR Suntour Edge R, 190x45mm
Wheels
Front hub: Bontrager sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle
Rear hub: Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12mm thru axle
Rims: Bontrager Kovee, double-wall, Tubeless Ready, 32-hole, 23mm width, presta valve
Tyres: Bontrager LT4 Expert, reflective strip, wire bead, 60 tpi, 29x2.40"
Drivetrain
Shifters: Shimano Deore M4100, 10 speed
Rear derailleur: Shimano Deore M5120, long cage
Crank: FSA Bosch CK-220, 36T ring
Cassette: Shimano Deore M4100, 11-46, 10 speed
Chain: KMC X10, 10 speed
Pedals: VP-536 nylon platform
Components
Saddle: Bontrager Commuter Comp, 165mm width
Seatpost: TranzX JD-YSP18 dropper, internal routing, 31.6mm
Handlebar: Bontrager alloy, 31.8mm, 15mm rise
Grips: Bontrager XR Endurance Comp, lock-on
Stem: Bontrager alloy, 31.8mm, Blendr compatible, 7 degree
Brake set: Tektro HD-M275 hydraulic disc
Accessories
Battery: Bosch PowerTube 625
Controller: Bosch Kiox with Anti-theft solution
Motor: Bosch Performance CX, magnesium motor body, 250 watt, 75 Nm, 25km/h
Front light: Herrmans MR8e, 180 lumen, 60 lux
Rear light: Supernova E3 Mini-2 rear light, LED
Weight
Weight: M - 27.22 kg / 60.00 lbs (with tubes)
Weight limit: This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
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