Alpha Platinum Aluminium, curved top tube, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armour, Boost148, 12 mm thru axle ALUMINIUM 27.5 SR Suntour SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44 mm offset, Boost110, 15 mm thru axle, 120 mm travel Bontrager XR3 Comp, wire bead, 30 tpi, 27.5x2.35 //  Bontrager XR3 Comp, wire bead, 30 tpi, 27.5x2.35 Shimano TC500 alloy, CentreLock, 110x15 mm thru axle Shimano TC500 alloy, CentreLock, 148x12 mm thru axle Bontrager Connection, double-wall, 32-hole, 20 mm width, Presta valve Shimano Shimano CUES U4000 FSA Bosch CK-220, 36T ring, 165 mm length Shimano LINKGLIDE LG300, 11-46, 9-speed Shimano LG500, 9/10/11-speed Max brake rotor size VP-536 nylon platform Bontrager Commuter Comp Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length FSA IS-2, 1-1/8 top, 1.5 bottom Bontrager XR Endurance Comp, lock-on Bosch Intuvia 100, smart system Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm

The Powerfly 4 625 takes our most affordable electric mountain bike and gives it a boost with a longer-range 625 watt-hour battery. Of course, you still get our user-friendly Removable Integrated Battery (RIB) system that's simple to remove and install, plus all the other parts that make Powerfly 4 an ideal entry into the joys of riding a pedal-assist bike on- or off-road.