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2018

Powerfly 5

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£2,700.00 Model 21979
The Powerfly 5 is a highly capable electric mountain bike for great value. It pairs a high-end Bosch e-MTB system that assists up to 15.5 mph with durable mountain bike components built to stand up to the trail. It's versatile, capable and ready for adventure.
The Powerfly 5 is a highly capable electric mountain bike for great value. It pairs a high-end Bosch e-MTB system that assists up to 15.5 mph with durable mountain bike components built to stand up to the trail. It's versatile, capable and ready for adventure.
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It's right for you if...

You've seen the e-bike light and want to expand your boundaries. Like us, you believe that nothing should stand between you and your next great ride, including big climbs, headwinds and rugged trails that you wouldn't otherwise be able to explore.

The tech you get

A durable Alpha Aluminium frame with a Bosch Performance CX 250-watt motor that assists up to 15.5 mph, an ergonomic Bosch Purion controller and an integrated, long-range 500 wH battery that's secure while you're riding, but easy to remove for charging. Plus, it's equipped with a new smart e-MTB mode that manages the assist level automatically, a Shimano Deore 10-speed drivetrain, hydraulic disc brakes and a RockShox Judy Silver TK fork with 100 mm of travel.

The final word

The best Bosch mountain bike electric-assist system available on a value-minded e-MTB built with durable, reliable parts. The drivetrain, suspension and components deliver solid all-around performance, so you can commute to the trail-head and then spend all day riding.

favorite_borderWhy you'll love it

  1. This bike expands boundaries: the top-notch Bosch system is equally suited to commuting, recreation and a ridiculously fun time on the trails
  2. The best electric-assist mountain bike system that Bosch offers, at a value that can't be beaten
  3. If you thought e-bikes were complicated, think again: the interface is easy, intuitive and convenient
  4.  It's built with solid mountain bike parts for outstanding capability

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Features

Specifications

  • Frameset

    Frame
    Alpha Platinum Aluminium, E2 tapered head tube, internal derailleur and dropper post routing, integrated battery, G2 Geometry on 29ers, Boost148
    Front suspension
    RockShox Judy Silver TK, Solo Air, TurnKey lockout, E2 tapered steerer, G2 Geometry w/51 mm offset on 29ers, Boost110, 100 mm travel
  • Wheels

    Front hub
    Formula Alloy DC511, Boost110
    Rear hub
    Bontrager sealed bearing alloy axle, Boost148
    Rims
    Bontrager Duster Elite Tubeless Ready 32-hole, tubeless strips and valves sold separately
    Tyres
    Bontrager XR3, 29x2.40˝ (15.5: 27.5x2.35˝)
  • Drivetrain

    Shifters
    Shimano Deore M6000, 10-speed
    Rear derailleur
    Shimano Deore M6000, Shadow Plus
    Crank
    Miranda Delta, 15T
    Cassette
    Shimano HG50, 11-42, 10-speed
    Chain
    KMC X10
    Pedals
    Wellgo nylon platform
  • Components

    Saddle
    Bontrager Evoke 1.5
    Seatpost
    Bontrager SSR, 2-bolt head, 31.6 mm, 12 mm offset
    Handlebar
    Bontrager alloy, 31.8 mm, 15 mm rise
    Grips
    Bontrager Satellite Elite, lock-on
    Stem
    Bontrager alloy, 31.8 mm, 7-degree, Blendr compatible
    Head set
    FSA IS-2, 1-1/8˝ top, 1.5˝ bottom
    Brake set
    Shimano M315 hydraulic disc
  • Accessories

    Battery
    Bosch PowerPack 500 Wh downtube
    Controller
    Bosch Purion
    Motor
    Bosch Performance CX, 250 watt, 75 Nm
  • Weight

    Weight
    17.5" - 22.68 kg / 50.01 lbs (with tubes)
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
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, colors, and materials.
Bike and frame weights are based on Trek pre-production painted frames at the time of publication. Weights may vary in final production

Sizing & fit

Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorised Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.

 

Rider Height

All measurements provided in cm unless otherwise stated.

Frame size number A Seat tube B Seat tube angle C Head tube length D Head angle E Effective top tube F Bottom bracket height G Bottom bracket drop H Chainstay length I Offset J Trail K Wheelbase L Standover M Frame reach N Frame stack Frame rise
15.5 in 39.4 72.5° 12.0 68.5° 56.3 31.0 4.6 46.5 4.3 9.4 110.1 76.6 37.5 59.7 59.7
17.5 in 41.9 73.6° 12.0 69.6° 59.5 31.6 5.4 48.5 5.1 8.3 116.0 78.0 41.3 62.0 62.0
19.5 in 47.0 73.6° 14.0 69.6° 63.6 31.6 5.4 48.5 5.1 8.3 120.1 78.5 44.8 63.8 63.8
21.5 in 52.1 73.6° 16.0 69.6° 66.7 31.6 5.4 48.5 5.1 8.3 123.4 81.8 47.3 65.6 65.6

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