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You wanna ride your heart out on a lightweight e-MTB that rips singletrack just like a regular XC bike, but can give you an unobtrusive boost when you want one. You also want an amazing parts spec, filled with carbon and cutting edge tech like a fully wireless electronic drivetrain and our IsoStrut shock.
A lightweight, full OCLV Mountain Carbon frame with 60mm of travel, a 120mm RockShox SID Ultimate fork with Charger Race Day damper, remote lockout, and Trek's exclusive lightweight IsoStrut FOX Factory shock. A Fazua Evation motor and 250Wh battery that can assist up to 20 mph when it's on, and gives zero drag when it's off, plus a handlebar-mounted Fazua Remote FX controller. A SRAM XX1 Eagle AXS wireless electronic drivetrain, a Bontrager XXX carbon seatpost, and Kovee XXX 30 carbon wheels.
Our top-shelf E-Caliber is light, fast, and built to rip. It rides like an XC race bike—like a Supercaliber, in fact—until you decide you want a little boost to scramble up a climb or put in a few extra laps.
"As expected, the E-Caliber made us feel like the World Cup racers we wish we were, but the real benefit was that we were more willing to ride, rather than drive, to our favorite trails. Logging more miles in the same amount of time is a win in our book."Read more
"The combination of short travel, light weight, and aggressive geometry will make for a bike that opens up the joys of long trail adventures and ripping fast singletrack to a segment of riders that may not otherwise get to experience that thrill."Read more
Saddle up with E-Caliber Gen 1 for just enough power on long, fast miles or E-Caliber Gen 2 for a lighter and more powerful ride.Learn more
Going where no bike has gone before with Payson McElveen and E-Caliber.Read more
E-Caliber's got an appetite for distance, a love of XC speed, and the right amount of suspension and power to turn up your endurance on epic singletrack sessions.Watch the video
Fast and efficient
Fazua's lightweight drive system adds a punch of power when you need it, but rides and feels like a traditional bike when you don't. You won't feel much drag or resistance when you turn it off or pass the max level of assist. The system is also compatible with a smartphone app to let you check battery status and customize your ride.
Smart software for the trail
E-Caliber is equipped with intelligent Fazua software called BLACK PEPPER, which allows the motor to respond immediately as you start to pedal, delivers more power over a wider cadence range, and lets you customize your user settings.
Remove the motor and drivepack to save 6.4 lbs./2.9 kg on days when you don't need the boost. The included cover also turns the down tube into extra storage.
E-Caliber has the same innovative IsoStrut rear suspension as World Cup-winning Supercaliber. You get 60mm of integrated rear travel—just the right amount of comfort and traction, without the weight or flex of traditional full suspension.
Trek's mountain-specific carbon fiber is tougher carbon, with unique materials and layup procedures, Trek's advanced engineering, and a higher standard of testing.
This suspension calculator will help you optimize your suspension settings for your riding weight. Simply follow the steps to find your best set up.
Tubeless Ready rims and tires make it easy to ditch the tubes so you get better traction, fewer flats, and less weight. You're ready to roll right out of the box with the included TLR rim strips, valves, and sealant.
Every set of Bontrager carbon wheels is backed by the Carbon Care Wheel Loyalty Program. In the unlikely event that you damage your Bontrager carbon wheels within the first two years of ownership, we’ll repair or replace them for free.
Knock Block has your frame's back when things go wrong. It prevents your handlebars from spinning all the way around in a crash, so your hoses won't get yanked, and your controls won't hit the top tube.
With 108 points of engagement, Rapid Drive gives you nearly instant acceleration instead of a clunky lag when you step on the pedals. You get smooth, immediate power to blast out of corners and hammer through the rough stuff. And that extra pedal ratchet adds control that can make all the difference when tackling a tricky climb.
Wider dropouts (110mm front, 148mm rear) give you the stiffness of a 27.5" wheel with all the benefits of a 29" wheel, and Boost148 in the rear lets you run wider tires and a larger chainring without affecting q-factor and pedaling efficiency.
|Frame||OCLV Mountain Carbon main frame & stays, IsoStrut, tapered head tube, Knock Block, Control Freak internal routing, Boost148, 60mm travel|
|Fork||RockShox SID Ultimate, DebonAir spring, Charger Race Day damper, remote lockout, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 120mm travel|
|Shock||Trek IsoStrut, Fox Factory shock, air spring, DPS 2-position remote damper, Kashima Coat, 235mm x 32.5mm|
|Max compatible fork travel||120mm (531mm axle-to-crown)|
|Wheel front||Bontrager Kovee XXX, OCLV Mountain Carbon, Tubeless Ready, centerlock, Boost110, 15mm thru axle|
|Wheel rear||Bontrager Kovee XXX, OCLV Mountain Carbon, Tubeless Ready, DT Swiss 54T engagement, centerlock, SRAM XD driver, Boost148, 12mm thru axle|
|Tire||Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29x2.40''|
|Tire part||Bontrager TLR sealant, 6oz|
|Max tire size||Frame: 29x2.40", Fork: See manufacturer|
|Shifter||SRAM Eagle AXS, wireless, 12 speed|
|Rear derailleur||SRAM XX1 Eagle AXS|
|Crank||E*thirteen E*spec Race Carbon, 32T, 175mm length|
|Crank arm||E*thirteen E*spec Race Carbon, 32T, 170mm length|
|Chainring||SRAM X-SYNC, 32T, alloy|
|Cassette||SRAM Eagle XG-1299, 10-52, 12 speed|
|Chain||SRAM XX1 Eagle, 12 speed|
|Max chainring size||1x: 32T (52mm chainline), 36T (55mm chainline)|
|Saddle||Bontrager Verse Pro, carbon rails, 145mm width|
Bontrager XXX, OCLV Carbon, 31.6mm, 0mm offset, 330mm length
M , L , XL
Bontrager XXX, OCLV Carbon, 31.6mm, 0mm offset, 400mm length
|Handlebar||Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width|
S , M
Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree, 60mm length
L , XL
Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree, 70mm length
|Headset||Knock Block Integrated, 62-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom|
|Brake||Shimano XTR M9120 4-piston hydraulic disc|
S , M , L , XL
Shimano MT900, 203mm, centerlock
S , M , L , XL
Shimano EM910, 180mm, centerlock
S , M , L , XL
Fazua Evation battery, 250Wh
S , M , L , XL
SRAM eTap battery pack (with charger)
|Charger||Fazua Evation charger, 90-120V|
|Controller||Fazua Remote bX|
|Motor||Fazua Evation Drive Pack, 20mph max assist|
|Weight||M - 16.35 kg / 36.06 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).|