Powerfly FS 4 is a full suspension electric mountain bike built to tackle rugged trail adventures. The plush suspension setup soaks up rough terrain, and the powerful Bosch electric drive system boosts your capacity to crush climbs and mile after mile of singletrack.
Why you'll love it
The dropper post lets you lower your saddle on the fly so it's out of the way on descents
For e-MTB, full suspension is a game-changer: it soaks up rugged terrain so you can ride the Bosch pedal-assist system to its full potential
The Purion controller has Walk Assist and an intelligent eMTB mode that automatically delivers the right amount of power based on your terrain
|FRAME||Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, internal routing, Motor Armour, magnesium rocker link, rack and mudguard mount, ABP, Boost148, 100 mm travel|
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|
|HUB FRONT||Bontrager sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle|
|HUB REAR||Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12mm thru axle|
|SKEWER REAR||BBontrager Switch thru-axle, removable lever|
|SPOKES||14 g stainless steel|
|RIM||Alex MD35, Tubeless Ready, 32-hole, 35mm width, presta valve|
|RIM STRIP||Bontrager TLR|
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"
|SHIFTER||Shimano Deore M4100, 10 speed|
|REAR DERAILLEUR||Shimano Deore M5120, long cage|
|CRANK||FSA Bosch CK-220, 36T ring, 165 mm length|
|CASSETTE||Shimano Deore M4100, 11-46, 10 speed|
|CHAIN||KMC X10, 10 speed|
|PEDAL||VP-536 nylon platform|
|SADDLE||Bontrager Arvada, steel rails, 138 mm width|
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, 31.8mm, 15mm rise, 720mm width|
|GRIPS||Bontrager XR Trail Comp, nylon lock-on|
Size: XS , S
Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length
Size: M , L , XL Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm length
|BRAKE||Tektro HD-M275 hydraulic disc/td>|
|BRAKE ROTOR||Tektro, 6-bolt, 203 mm|
|BATTERY||Bosch PowerTube 500|
|CHARGER||Bosch compact 2A (100-240V) charger|
|MOTOR||Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 20mph or 32km/h max assist|
|WEIGHT||M - 24.89 kg / 54.88 lbs (with tubes)|
|WEIGHT LIMIT||This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).|
Use the remote lever to lower your saddle so it's out of your way when you're descending and cornering.
Integrated Speed Sensor
You've got one less detail to sweat with the integrated speed sensor. The chainstay-mounted sensor stays protected while the custom hub-mounted magnet stays secure—no more error codes from mis-aligned sensors.
Bosch Purion Display
Bosch's Purion display features a fully-functional speedometer with a backlit display, service interval indicator and battery range indicator. Its thoughtful design allows riders to scroll through functions or choose the right level of support while maintaining contact with the handlebars.