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It's right for you if...

You want to get out and explore more trails. You're looking for an e-MTB with trail-smoothing full suspension and the reliable, leg-boosting power of an electric drive system made specifically for the demands of off-road riding.

The tech you get

A durable aluminium frame that fully encases a long-range 500 Wh battery, a powerful Bosch Performance CX (250 Wh, 75 Nm) motor that helps you sustain speeds of up to 25 km/h and an ergonomic Purion controller. Plus, an SR Suntour 120 mm suspension fork, 100 mm of rear travel, a 10-speed Shimano drive train, powerful hydraulic disc brakes and a dropper post.

The final word

This full suspension e-MTB is comfortable, efficient and fast on rough terrain. The powerful Bosch electric drive system makes it possible to tackle any climb you encounter and adventure farther than ever.

favorite_borderWhy you'll love it

  1. For e-MTB, full suspension is a game-changer: it soaks up rugged terrain, so you can ride the Bosch pedal-assist system to its full potential
  2. 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 to remove the battery without tools and lets you mount a water bottle cage – even on full suspension e-MTBs
  3. The dropper post lets you lower your saddle on the fly so it's out of the way on descents
  4. The Purion controller has Walk Assist and an intelligent eMTB mode that automatically delivers the right amount of power based on your terrain
  5. The size S frame features a curved top tube that makes standing over the bike easier. Plus, Smart Wheel Sizing means you'll get the fastest wheel that fits – 29˝ wheels on larger frames, 27.5˝ wheels on smaller frames


Features

Bosch Performance Line CX motor

Bosch Performance Line CX motor

The Bosch Performance Line CX sets the standard for eMTB performance with up to 85 Nm of torque and an intelligent eMTB mode with Extended Boost that automatically adjusts the amount of assist based on the terrain.

Custom eMTB Lite mode

Custom eMTB Lite mode

Trek eMTBs feature a custom eMTB Lite mode in place of Tour mode. It gives you more natural-feeling power delivery and longer battery life.

Removable Integrated Battery

RIB is a one-piece battery and cover with a built-in handle that can easily be removed and re-installed in the frame with no tools and no hassle. It’s the most convenient way to remove your battery for transport, security or just easier charging.

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What is the range?

To see how far you can ride your electric mountain bike on a single charge, check out Bosch’s range calculator. We’ve auto-filled the variables for this bike model and the average rider, but you can make adjustments to get your most accurate estimate.

Calculate your range

Specifications

*spec applies to all sizes unless otherwise noted

Frameset
Frame Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, internal routing, Motor Armour, magnesium rocker link, rack and mudguard mount, ABP, Boost148, 100 mm travel
*Fork Size: S
SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm bolt-on thru axle, 100 mm travel
Size: M , L , XL
SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm bolt-on thru axle, 120 mm travel
Shock SR Suntour Edge R, 190x45 mm
Wheels
Hub front Bontrager sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
Hub rear Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle
Skewer rear Bontrager Switch thru axle
Rim Alex MD35, Tubeless Ready, 32-hole, 35 mm width, Presta valve
Spokes 14 g stainless steel, black
*Tyre Size: S
Bontrager XR3 Comp, wire bead, 30 tpi, 27.5x2.35"
Size: M , L , XL
Bontrager XR3 Comp, wire bead, 30 tpi, 29x2.30"
Rim strip Bontrager TLR
Drivetrain
Shifter Shimano Deore M4100, 10 speed
Rear derailleur Shimano Deore M5120, long cage
Crank FSA Bosch CK-220, 36T ring, 165 mm length
Cassette Shimano Deore M4100, 11-46, 10-speed
Chain KMC X10, 10-speed
Pedal VP-536 nylon platform
Components
Saddle Bontrager Arvada, steel rails, 138 mm width
*Seatpost Size: S , M
TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length
Size: L , XL
TranzX JD-YSP18, 130mm travel, internal routing, 31.6 mm, 425 mm length
Handlebar Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width
Grips Bontrager XR Trail Comp, nylon lock-on
*Stem Size: S
Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length
Size: M , L , XL
Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length
Brake Tektro HD-M275 hydraulic disc
Brake rotor Tektro, 203 mm, 6-bolt
Accessories
Battery Bosch PowerTube, vertical, 500 wh
Charger Bosch compact 2A (100-240 V) charger
Controller Bosch Purion
Motor Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 25 km/h (15.5 mph) max assist, 32 km/h for New Zealand
Weight
Weight M - 24.89 kg / 54.88 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

Inseam

All measurements provided in cm unless otherwise stated.

Frame size number Frame size letter Wheel size A — Seat tube B — Seat tube angle Effective 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
14.5 XS 27.5" 36.8 68.3° 76.0° 14.0 66.5° 55.4 33.2 2.4 46.8 4.4 10.7 117.0 69.1 40.5 59.9
15.5 S 27.5" 39.5 68.3° 76.0° 14.0 66.5° 56.4 33.2 2.4 46.8 4.4 10.7 118.0 69.1 41.5 59.9
17.5 M 29" 42.0 67.5° 76.0° 13.0 66.5° 58.9 33.5 3.9 47.0 4.4 11.4 120.6 71.2 43.0 63.7
19.5 L 29" 45.0 67.5° 76.0° 14.0 66.5° 62.1 33.5 3.9 47.0 4.4 11.4 124.0 71.6 46.0 64.6
21.5 XL 29" 50.0 67.5° 76.0° 14.0 66.5° 64.6 33.5 3.9 47.0 4.4 11.4 126.5 71.3 48.5 64.6

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