The Powerfly+ 6 is an extremely powerful electric mountain bike, on which you can easily handle riding in the mountains and cycling off the beaten track. The robust hardtail frame makes it a universal choice for any route from alpine trails to exploring city nooks and crannies, and the powerful Bosch Performance Line CX motor will provide you with assistance that you will especially appreciate on steep climbs.Frame: Alpha Platinum aluminum frame, replaceable integrated battery (RIB 2.0), tapered head tube, internal cable routing, Control Freak internal cable routing, engine cover, Boost148, thru axle 12mmFork: Size: S - RockShox Recon Silver RL, Solo Air, Motion Control Damper, Lockout, Tapered Steering, 46mm Spacing, Boost110, Maxle Stealth 15mm, 100mm Travel Size: M , L , XL - RockShox Recon Silver RL, Solo Air, Motion Control Damper, Lockout, Tapered Steering, 42mm Spacing, Boost110, Maxle Stealth 15 mm, travel 120 mmFront hub: Shimano TC500 alloy, centerlock, fixed axle 110 x 15 mmRear hub: Shimano TC500 alloy, centerlock, fixed axle 148 x 12 mmRim: Size: S , M , L , XL - Bontrager Line TLR 30, tubeless ready, 28 holes, Presta valve Size: S - Bontrager Line TLR 30 Tubeless Ready, 32 holes, Presta valve Size: M, L, XL - Bontrager Line TLR 30 Tubeless Ready, 32 holes, presta valve Tip: 14 g stainless steel, black Battery: Bosch PowerTube 800 Wh, smart system Charger: Standard Bosch charger, 4 A, 230 V, Bosch Smart system Shifting: Shimano Deore M6100, 12 speeds Rear derailleur: Shimano XT M8100, long cageCassette: Shimano Deore M6100, 10-51, 12 speedsChain: Shimano Deore M6100, 12 speedsPedal: Nylon platform VP-536Max. derailleur size 1x: 42 teethSaddle: Bontrager Commuter computerSeat seat: Size: S - Bontrager Line Dropper, 100mm travel, MaxFlow, internal cable routing, 31.6mm, length 310mm Size: M , L , XL - Bontrager Line Dropper, 170mm travel, MaxFlow, internal cable routing, 31.6mm, length 4500mmHandlebar: Bontrager Comp, alloy, 31.8mm, 40mm travel, 780mm widthHandles: Bontrager XR Endurance Comp, lockoutStem: Bontrager Comp, 31.8mm, Blendr compatible, 7-speed, 50mm lengthHeadset: FSA IS-2, 1-1/8" upper, 1.5" bottomBrakes: Shimano four-piston hydraulic disc brakes, MT4100 lever, MT420 caliperBrake discs: Shimano RT64, centerlock, 203 mmBrake disc size Maximum size of brake discs - frame: 203 mm, min. 180 mmWeight: M - 24.40 kg / 53.8 lbsWeight limit: The maximum system weight of the bike (combined weight of bike, rider and cargo) is 136 kg (300 lb).