Powerfly FS 4 is a full suspension electric mountain bike built to tackle rugged trail adventures. 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. Key Features A durable aluminium frame that fully encases a 500 Wh battery, a powerful Bosch Performance CX (250 W, 85 Nm) motor that helps you sustain speeds of up to 25 km/h and an ergonomic Purion controller. Plus, a 120 mm suspension fork, 100 mm of rear travel, a 10-speed Shimano drivetrain and a dropper post. Specifications Frameset 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 Fork: (XS and 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, (M,L and 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 Wheels Rims: Alex MD35, tubeless compatible, 32-hole, 35 mm width, Presta valve Hubs: (F) Bontrager sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle (R) Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle Tyres: Bontrager XR3 Comp, wire bead, 30 tpi, 29x2.30 Drivechain Pedals: VP-536 nylon platform Crank: FSA Bosch CK-220, 36T ring, 165 mm length Front Derailleur: n/a Rear Derailleur: Shimano Deore M5120, long cage Shifters: Shimano Deore M4100, 10 speed Chain: KMC X10, 10-speed Rear Cogs: Shimano Deore M4100, 11-46, 10-speed Components Handlebar: Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width Grips: Bontrager XR Trail Comp, nylon lock-on Stem: (XS and S) Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length (M, L, and XL) Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length Brakes: Tektro HD-M275 hydraulic disc, 6-bolt, 203 mm Saddle: Bontrager Arvada, steel rails, 138 mm width Seatpost: (XS, S, M) TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length (L,XL) TranzX JD-YSP18, 130mm travel, internal routing, 31.6 mm, 425 mm length Bike Sizing Choosing the bike size depends on the type of bike, your height, your riding style, and your preference. A correct fitting bike will be more comfortable, more efficient and more fun to ride. This bike size guide gives our customers general advice on choosing the right size. It is a guide only and we always recommend visiting one of our stores or contacting one of our experts. XS S M L XL XXL Rider Height 4\\\'6 - 5\\\'2 / 137cm - 157cm 5\\\'1 - 5\\\'4 / 155cm - 162cm 5\\\'4 - 5\\\'8 / 162cm - 170cm 5\\\'7 - 6\\\'0 / 170cm - 183cm 6\\\'0 - 6\\\'3 / 183cm - 192cm 6\\\'3 - 6\\\'6 / 193cm - 203cm