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FEATURES
Powerfly 4 is our most affordable electric mountain bike. It's built with parts that hold up, like a smooth-shifting Shimano drive train, and a powerful Bosch motor. Plus, it features our user-friendly Removable Integrated Battery (RIB) system that's fully encased in the frame yet doesn't require tools for removal. This bike expands your boundaries and lets you travel to destinations that you never thought you'd reach on a mountain bike.
BIKE SPECS
| Specification | |
| Features | |
| Trek's Removable Integrated Battery (RIB) system looks great and is super user-friendly: it fully hides the battery in the frame for protection, makes it easy remove the battery without tools and lets you mount a water bottle cage | |
| This bike expands boundaries: the top-notch Bosch system is equally suited to commuting, recreation and a ridiculously fun time on the trails | |
| The Purion controller has Walk Assist and an intelligent eMTB mode that automatically delivers the right amount of power based on your terrain | |
| It's equipped with an external charging port for easy charging on or off the bike | |
| You can boost your Powerfly’s utility by adding a rack and mudguards, plus built-in wiring lets you easily install lights powered by the motor | |
| Description | |
| Weight | M - 23.67 kg / 52.18 lbs (with tubes) |
| Frameset | |
| Frame | Alpha Platinum Aluminum, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armor, Boost148, 12mm thru axle |
| Fork | SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44mm offset, Boost110, 15mm thru axle, 80mm travel |
| Wheels | |
| Front Hub | Formula DC-511, 6-bolt, Boost110, 15mm thru axle |
| Rear Hub | Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12mm thru axle |
| Rims | Bontrager Connection, double-wall, 32-hole, 20mm width, presta valve |
| Tires | Bontrager XR3 Comp, wire bead, 30tpi, 29x2.30" |
| Drivetrain | |
| Shifters | Shimano Deore M4100, 10 speed |
| Rear derailleur | Shimano Deore M5120, long cage |
| Crank | FSA Bosch CK-220, 36T ring, 165mm length |
| Cassette | Shimano Deore M4100, 11-46, 10 speed |
| Chain | KMC X10, 10 speed |
| Pedals | VP-536 nylon platform |
| Components | |
| Saddle | Bontrager Commuter Comp, 165mm width |
| Seatpost | Bontrager alloy, 31.6mm, 12mm offset, 400mm length |
| Handlebar | Bontrager alloy, 31.8mm, 15mm rise, 750mm width |
| Stem | Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm length |
| Grips | Bontrager XR Endurance Comp, lock-on |
| Headset | FSA IS-2, 1-1/8" top, 1.5" bottom |
| Brakeset | Tektro HD-M275 hydraulic disc, 203mm rotors |
| Accessories | |
| Battery | Bosch PowerTube 500 |
| Controller | Bosch Purion |
| Motor | Bosch Performance CX, magnesium motor body, 250 watt, 75 Nm, 20mph or 32km/h max assist |