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Today’s Deals2026 Trek
Powerfly FS+ 8 Gen 4
A 27.5″ / 29″ aluminum frame full suspension trail e-bike with high-end components.
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Manufacturer Price
£6,000($8,050)| Weight | 54.0 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Full, 120 / 130mm |
| Fork | Fox Rhythm Float 36 |
| Shock | Fox |
| Wheels | 27.5″ / 29″ Aluminum |
| Drivetrain | 1 × 12 Electronic |
| Groupset | Eagle AXS, GX Eagle Transmission |
| Motor | Bosch 600W 85Nm mid-drive |
| Battery | Bosch 800Wh |
| Brakes | SRAM DB8 Hydraulic Disc |
| Seatpost | Dropper |
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
Compare the full Powerfly model range
View Comparison5'1" – 5'6"
5'4" – 5'11"
5'9" – 6'3"
6'1" – 6'5"
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| Frame | Alpha Platinum Aluminium, Removable Integrated Battery (RIB 2.0), tapered headtube, guided internal routing, Motor Armor, Mino Link adjustable geometry, adjustable leverage rate, 34.9 mm seat tube, ABP, UDH, rack and mudguard mounts, Boost 148, 120 mm travel Hanger Standard: UDH Tire Clearance: 2.5" Colors: Matte / Gloss Mulsanne Blue; Gloss Lava / Matte Dark Web |
|---|---|
| Fork | Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 130mm travel Travel: 130mm Spring Type: Air |
| Shock | Fox Float Rhythm, 2-position damper, 210x50 mm Travel: 120mm |
| Headset | FSA IS-2, 1-1/8" top, 1.5" bottom |
| Stem | Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length |
| Handlebar | Bontrager Comp, alloy, 31.8 mm, 40mm rise, 780 mm width |
| Saddle | Bontrager Verse P3, steel rails |
| Seatpost | Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6mm, 310mm length - S : Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6 mm, 310 mm length; M , L , XL : Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 31.6 mm, 450 mm length Type: Dropper |
| Pedals | VP-536 nylon platform |
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| Rear Derailleur | SRAM GX Eagle AXS, T-Type |
|---|---|
| Crank | SRAM GX, 160 mm length |
| Shifters | SRAM AXS pod |
| Cassette | SRAM Eagle XS-1275, T-Type,10-52, 12-speed |
| Chain | SRAM GX Eagle, T-Type, 12-speed |
| Brakes | SRAM DB 8 4-piston hydraulic disc Type: SRAM DB8 Hydraulic Disc |
| Rims | Front: Bontrager Line Comp 30 TLR 6-bolt Disc, Boost, Black spokes and nipples - S : Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5"; M , L , XL : Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29", Rear: Bontrager Line Comp 30 Boost TLR 27.5'' Rear Wheel, 28H, SRAM XD, 6-bolt Disc, 12mm Thru Axle, Black/Black - S : Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 27.5''; M , L , XL : Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 29'' |
|---|---|
| Tires | Bontrager Gunnison Pro XR, Tubeless Ready, wire bead, 60 tpi, 27.5x2.40'', tan sidewall - S : Bontrager Gunnison Pro XR, Tubeless-Ready, wire bead, 60 tpi, 27.5x2.40"; M , L , XL : Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40" |
| Motor | Bosch Performance Line CX (Europe and APAC: 25 km/h, US and ROW: 20 mph / 32 km/h) |
|---|---|
| Battery | Bosch PowerTube 800 Wh, smart system |
| Display | Bosch Kiox 300 Display. BOSCH P/N: EB13.100.003 - S , M , L , XL : Bosch Kiox 300, smart system; S , M , L , XL : Bosch LED remote, smart system |
| Charger | Bosch standard 4A, 230V, smart system |
| Fenders | Trek custom mudguard |
|---|
First added July 1
Last updated June 13