The Powerfly FS+ 4 is a full-power full suspension electric mountain bike for taking on alpine adventures. It features 130 mm of front and 120 mm of rear trail-smoothing travel and a powerful Bosch Performance Line CX motor with a PowerMore compatible Removable Integrated Battery 2.0 (RIB 2.0) for getting far, far out there.

Key Features

• Bosch Performance Line CX motor: Delivers plenty of torque for steep, punchy climbs and is easy to control with the Purion 200 remote
• Bontrager Line Dropper Post: Lets you lower your saddle on the fly so it's out of the way on descents.
• Shimano CUES 10-Speed Drivetrain: Simplicity combined with a wide gear ratio.

Full Specifications:

• Frame: Alpha Platinum, Removable Integrated Battery (RIB 2.0), tapered headtube, internal routing, Motor Armour, rack and mudguard mounts, ABP, Boost 148, 120 mm travel
• Fork: RockShox Recon Silver RL, Solo Air, Motion Control damper, lockout, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 130 mm travel
• Rear Shock:
• Motor: Bosch Performance CX, smart system, magnesium motor body, 85 Nm, 15 mph max assist
• Battery: Bosch PowerTube 600 Wh, smart system
• Controller: Bosch Purion 200 Remote
• Charger: Bosch standard 2A, 230V, smart system
• Gear Shifters: Shimano U6000, 10-speed
• Chainset: FSA Bosch CK-220, 36T ring, 165 mm length
• Rear Cassette: Shimano CUES LG300, LINKGLIDE, 11-48, 10-speed
• Chain: Shimano LG500, 9/10/11-speed
• Front Derailleur: N/A
• Rear Derailleur: Shimano CUES U6000 GS
• Pedals: VP-536 nylon platform
• Front Hub: Bontrager sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
• Rear Hub: Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle
• Tyres: Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40" (XS: 27.5x2.40")
• Brakes: Tektro Gemini SL 4 piston hydraulic brake
• Handlebars: Bontrager Comp, alloy, 31.8 mm, 40mm rise, 780 mm width
• Grips: Bontrager XR Trail Comp, nylon lock-on
• Headset: FSA IS-2, 1-1/8" top, 1.5" bottom
• Stem: Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length
• Saddle: Bontrager Verse P3, steel rails
• Seatpost: Bontrager Line Dropper, MaxFlow, internal routing, 31.6 mm, S: 100 mm travel, 310 mm length M/L/XL: 170 mm travel, 450 mm length
• Weight:

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.