Powerfly+ 8 Gen 5 2025

It's right for you if...

You think life's better with a big boost. You're after an e-MTB that packs in plenty of power to make the ups as fun as the downs, and want the efficiency and convenience of a hardtail. You want upgrades where they matter most, like the wheels, suspension fork and drivetrain.

The tech you get

An Alpha Platinum Aluminium hardtail frame with a FOX Float AWL fork with air spring and RAIL 2.0 damper. A powerful Bosch Performance Line CX motor (85 Nm, 250 W), with an 800 Wh PowerTube RIB 2.0 removable integrated battery and Purion 200 controller. A 12-speed Shimano SLX and XT blend drivetrain, Tubeless Ready Bontrager wheels, a Bontrager Line dropper post, 4-piston Shimano hydraulic disc brakes and plenty of mounts for bags and racks.

The final word

The Powerfly+ 8 is a powerful electric hardtail that tacks on the bells and whistles that matter most. It gives you a serious boost for steep climbs, thanks to the Bosch Performance Line CX motor and massive 800 Wh battery, plus an upgraded fork, brakes and drivetrain to keep rides smooth for miles ahead.

Why you'll love it

• The Powerfly+ delivers a full-assist ride that's as versatile as it is powerful
• Bosch's Performance Line CX motor delivers plenty of torque for steep, punchy climbs and is easy to control with the Purion 200 remote – plus you can customise it in the eBike Flow app
• Its RIB 2.0 removable integrated battery is easy to remove for travel and storage, and its virtually rattle-free while you ride
• Want to ride even further? The Powerfly+ is compatible with Bosch PowerMore booster batteries
• It's ready to load up for anything, with mounts for lights, mudguards, a rear rack and kickstand

SPECS:

FRAME:

Alpha Platinum Aluminium, Removable Integrated Battery (RIB 2.0), tapered head tube, guided internal routing, Control Freak internal routing, Motor Armour, Boost148, 12 mm thru axle

Fork:

• Size: S -> Fox AWL Rail, Rail 2.0 damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 180 mm direct mount, 100 mm travel, 27.5"
• Size: M , L , XL -> Fox AWL Rail, Rail 2.0 damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 180 mm direct mount, 120 mm travel, 29""

Max compatible fork travel: See service manual

WHEELS:

Wheel front:

• Size: S -> Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5"
• Size: M , L , XL -> Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29"

Wheel rear: Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle, 27.5"

Skewer rear: Bontrager Switch thru axle, removable lever

Tyre:

• Size: S -> Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 27.5x2.60"
• Size: M , L , XL -> Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.60"

Tyre part: Bontrager TLR sealant, 180 ml/6 oz

Rim strip: Bontrager TLR

Max tyre size: Telaio: 29x2.60" senza parafanghi, 2.40" con parafanghi, forcella: Consultare i dati del produttore

E-SYSTEM:

Battery: Bosch PowerTube 800Wh,  smart system

Charger: Bosch standard 4A, 230V,  smart system

Computer:

• Size: S , M , L , XL -> Bosch Kiox 300, smart system
• Size: S , M , L , XL -> Comando remoto LED Bosch, smart system

Motor: Bosch Performance Line CX, 20 mph (25 km/h in Europe)

DRIVETRAIN:

Shifter: Shimano SLX M7100, 12-speed

Rear derailleur: Shimano XT M8100, long cage

Cassetta: Shimano SLX M7100, 10-51T, 12-speed

Chain: Shimano SLX M7100, 12-speed

Pedal: VP-536 nylon platform

Max. chainring size: 1x: 42T

COMPONENTS:

Saddle: Bontrager Commuter Comp

Seatpost:

• Size: S -> Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6 mm, 310 mm length
• Size: M , L , XL -> Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 31.6 mm, 450 mm length

Handlebar: Bontrager Comp, alloy, 31.8 mm, 40mm rise, 780 mm width

Grips: Bontrager XR Endurance Elite

Stem: Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length

Head set: FSA IS-2, 1-1/8" top, 1.5" bottom

Brake: Shimano 4-piston hydraulic disc, M6100 lever, M6120 calliper

Brake rotor: Shimano RT66, 6 bulloni, 203mm

Rotor size: Max brake rotor sizes – Frame: 203mm, min 180 mm, fork: see fork manufacturer

ACCESSORIES

Tool: Bontrager Switch Lever, w/tool

Weight limit: This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).

The manufacturer reserves 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. The prices shown are the manufacturer's suggested retail prices.