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Service manual
Time to bust out the repair stand for some maintenance? Find a detailed breakdown of your bike with part numbers, torque values, and platform-specific tech instructions below.
Get it hereHow to responsibly recycle your e-bike battery
Learn more5 things to do before every mountain bike ride
Do this quick pre-ride safety check before you hit the trails.
Learn moreProduct features
Smooth, quiet support
Bosch Active Line Plus mid-power motor doles out a smooth 50Nm of torque. Its controlled acceleration, low pedal resistance, and super quiet operation give you a natural-feeling, unobtrusive ride.
Clean, simple controls
The 2-in-1 remote and display provides all the information and control you'll need in a compact, full-color handlebar controller with intuitive contols.
System safety taken seriously
Trek sets its e-bike safety standards high with UL certified e-systems, sophisticated battery management failsafe systems and battery cells from tier 1 suppliers.
Ride more and smile more with PowerMore
Wanna ride farther? Add PowerMore to your Marlin+. This booster battery extends your range, so you get more supported ride time.
Shimano Deore
Shimano Deore brings even more adventure with a wider range of gear choices for the steep stuff, the fast stuff, and the fun. With smooth riding, improved chain stability, and sharp shifting, Deore heightens your mountain biking confidence and control so you can focus on the trail and enjoy the ride.
Compliant with leading safety regulations
The e-systems on Trek and Electra e-bikes are third-party tested to meet the latest e-bike safety regulations, including the stringent UL 2849 certification — so all you have to worry about is where your e-bike will take you next.
Upgrade your pedals and love your bike more
Pedals are two of the five touchpoints that connect you with your bike, and even though this bike comes with a pair, upgrading to pedals that boost control and grip will greatly improve your ride. See the pedal guide and find the best pedals for your riding style. We recommend flat pedals for simple versatility.
See the guideAdaptive assist
Automatically adjusting motor support recognizes speed reductions and adjusts assistance level accordingly so you can spend more time riding and less time adjusting assistance levels.
Ready to customize
Customize your Marlin+ for your life with mounts for a rack, fender, and kickstand, so you're ready for everything from trail tackling or cruising to class.
Smart Wheel Size
The right wheel size paired with your frame size gives you the perfect combination of responsiveness and control.
Rear kickstand mount
Chainstay mounts make it easy to install a rear kickstand that stays out of your way and supports bikes of all sizes. No more laying or leaning.
Integrated speed sensor
You've got one less detail to sweat with the integrated speed sensor. The chainstay-mounted sensor stays protected while the custom hub-mounted magnet stays secure—no more error codes from mis-aligned sensors.
| *Frame |
Size:
XS Alpha Gold Aluminum, curved top tube, tapered head tube, internal routing, rack, fender, and kickstand mount, UDH, Boost148, 12mm thru axle |
|---|---|
|
Size:
S , M , L , XL Alpha Gold Aluminum, tapered head tube, internal routing, rack, fender, and kickstand mount, UDH, Boost148, 12mm thru axle |
|
| *Fork |
Size:
XS RockShox Recon Silver RL, Solo Air, Motion Control damper, lockout, tapered steerer, 46mm offset, Boost110, 15mm Maxle Stealth, 100mm travel |
|
Size:
S RockShox Recon Silver RL, Solo Air, Motion Control damper, lockout, tapered steerer, 46mm offset, Boost110, 15mm Maxle Stealth, 120mm travel |
|
|
Size:
M , L , XL RockShox Recon Silver RL, Solo Air, Motion Control damper, lockout, tapered steerer, 42mm offset, Boost110, 15mm Maxle Stealth, 120mm travel |
|
| Max compatible fork travel | See service manual |
| Hub front | Shimano TC500 alloy, centerlock, 110x15mm thru axle |
|---|---|
| Hub rear | Shimano TC500 alloy, centerlock, 148x12mm thru axle |
| Skewer rear | Bontrager Switch thru axle, removable lever |
| *Rim |
Size:
XS , S , M , L , XL Bontrager Line TLR 30, Tubeless Ready, 28-hole, Presta valve |
|
Size:
XS , S , M , L , XL Bontrager Line TLR 30, Tubeless Ready, 32-hole, Presta valve |
|
| *Tire |
Size:
XS , S Bontrager Gunnison Pro XR, Tubeless Ready, Inner Strength sidewalls, aramid bead, 60 tpi, 27.5x2.60" |
|
Size:
M , L , XL Bontrager Gunnison Pro XR, Tubeless Ready, Inner Strength sidewalls, aramid bead, 60 tpi, 29x2.60" |
|
| Tire part | Bontrager TLR sealant, 180 ml/6 oz |
| Rim strip | Bontrager TLR |
| Max tire size | Frame: 29x2.60" (XS: 27.5x2.60"), Fork: See manufacturer |
| Battery | Bosch CompactTube 400Wh |
|---|---|
| Charger | Bosch standard 2A, 110V, smart system |
| Computer | Bosch Purion 200 |
| Motor | Bosch Active Line Plus, 50 Nm |
| Shifter | Shimano Deore M6100, 12 speed |
|---|---|
| Rear derailleur | Shimano Deore M6100, long cage |
| Crank | FSA CK-220, 165mm length |
| Chain ring | FSA, 32T, steel |
| Cassette | Shimano Deore M6100, 10-51, 12 speed |
| Chain | Shimano Deore M6100, 12 speed |
| Pedal | VP-536 nylon platform |
| Max chainring size | 1x: 36T, min 32T |
| *Saddle |
Size:
XS , S , M , L , XL Bontrager Verse P3, chromoly rails |
|---|---|
|
Size:
XS , S , M , L , XL Bontrager Arvada, hollow chromoly rails, 138 mm width |
|
| *Seatpost |
Size:
XS , S TranzX JD-YSP18, 100mm travel, internal routing, 31.6mm, 361mm length |
|
Size:
M , L , XL TranzX JD-YSP18, 150mm travel, internal routing, 31.6mm, 470mm length |
|
| *Handlebar |
Size:
XS , S Bontrager alloy, 31.8mm, 15mm rise, 720mm width |
|
Size:
M , L , XL Bontrager alloy, 31.8mm, 15mm rise, 750mm width |
|
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| *Stem |
Size:
XS , S Bontrager Comp, 31.8mm, 7 degree, 35mm length |
|
Size:
M , L Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length |
|
|
Size:
XL Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length |
|
| Headset | Semi-integrated, sealed cartridge bearing, alloy cups, 1-1/8" top, 1.5" bottom |
| Brake | Shimano 4-piston hydraulic disc, MT4100 lever, MT420 caliper |
| Brake rotor | Shimano RT64, CentreLock, 203 mm |
| Rotor size | Max brake rotor sizes - Frame: 203mm, min 180mm, Fork: see fork manufacturer |
| Weight | M - 21.49 kg / 47.38 lbs (with TLR sealant, no tubes) |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |