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10/10 Editor's choice
"Faster with less fatigue than any other XC hardtail in test...Procaliber was still the smoothest bike here."
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"What an XC race bike should be"
"Procaliber offers a more comfortable ride than a traditional hardtail. It's noticeable right away. Ready to go uphill and down with no regard for anything except stopping to get on the podium."
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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 hereInside the rain, mud, fun and madness of Chequamegon
Riley Amos takes a thrilling second-place finish while Trek Driftless brings their signature chill vibe.
Read moreAnton Cooper returns to the medal stand!
Procaliber brings big results at Leogang XC World Cup.
Read moreHow do Bontrager WaveCel helmets work?
Learn more about a major advancement in the protection against cycling-related head injuries.
Learn moreProduct features
IsoSpeed smooth
IsoSpeed takes the edge off body-beating small bumps and trail chatter so you can stay stronger longer, without giving up any pedaling efficiency.
OCLV Mountain Carbon
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.
Straight Shot downtube
Straight Shot downtube gives you an extra-stiff frame without adding any weight, so you can stick your line through the rough stuff and still fly up the next climb.
You almost forgot your pedals
This bike doesn’t come with pedals because you'll have a better ride if you choose your own. See the pedal guide to find the best pedals for your riding style. Want pedals built for the race? We recommend clipless MTB pedals for control & efficiency.
Complete Tubeless System
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.
Learn moreEasier internal routing
Integrated channels in the frame make it super easy to route cable housing and brake hose so you get a clean set-up with no hassle.
Watch the videoKnock Block
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.
Learn more| Frame | OCLV Mountain Carbon, IsoSpeed, tapered head tube, Knock Block, internal control routing, balanced post mount brake, Boost148 |
|---|---|
| Fork | RockShox Reba RL, Solo Air spring, Motion Control damper, remote lockout, tapered steerer, 42mm offset, Boost110, 15mm Maxle Stealth, 100mm travel |
| Suspension lever | RockShox OneLoc Sprint |
| Max compatible fork travel | 120mm (533mm axle-to-crown) |
| Wheel front | Bontrager Kovee Elite 23 carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle |
|---|---|
| Wheel rear | Bontrager Kovee Elite 23 carbon, Tubeless Ready, Rapid Drive 108, SRAM XD11 driver, Boost148 |
| Hub front | Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle |
| Hub rear | Bontrager alloy, sealed bearing, 6-bolt, 108T Rapid Drive, SRAM XD driver, Boost148, 12mm thru axle |
| Skewer rear | Bontrager Switch thru axle, removable lever |
| Rim | Bontrager Kovee Elite 23 carbon, Tubeless Ready |
| Tire | Bontrager XR2 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29x2.20'' |
| Tire part | Bontrager TLR sealant, 6oz |
| Rim strip | Bontrager TLR |
| Max tire size | Frame: 29x2.40", Fork: See manufacturer |
| Shifter | SRAM GX Eagle, 12 speed |
|---|---|
| Rear derailleur | SRAM GX Eagle |
| *Crank |
Size:
S SRAM X1 Eagle, DUB, 32T alloy ring, 52mm chainline, 170mm length |
|
Size:
M , ML , L , XL SRAM X1 Eagle, DUB, 32T alloy ring, 52mm chainline, 175mm length |
|
| Bottom bracket | SRAM DUB, 92mm, PressFit |
| Cassette | SRAM Eagle XG-1275, 10-52, 12 speed |
| Chain | SRAM GX Eagle, 12 speed |
| Max chainring size | 1x: 36T, min 30T |
| Saddle | Bontrager Verse Elite, austenite rails, 145mm width |
|---|---|
| *Seatpost |
Size:
S Bontrager Pro, OCLV Carbon, 31.6mm, 0mm offset, 330mm length |
|
Size:
M , ML , L , XL Bontrager Pro, OCLV Carbon, 31.6mm, 0mm offset, 400mm length |
|
| *Handlebar |
Size:
S , M , ML Bontrager Kovee Elite, alloy, 35mm, 5mm rise, 720mm width |
|
Size:
L , XL Bontrager Line, alloy, 35mm, 15mm rise, 750mm width |
|
| Grips | ESI Chunky |
| *Stem |
Size:
S Bontrager Elite, 35mm clamp, 13 degree, 60mm length |
|
Size:
M , ML Bontrager Elite, 35mm clamp, 13 degree, 70mm length |
|
|
Size:
L , XL Bontrager Elite, 35mm clamp, 13 degree, 80mm length |
|
| Headset | Knock Block Integrated, 62-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom |
| Brake | Shimano hydraulic disc, MT501 lever, MT500 caliper |
| *Brake rotor |
Size:
S , M , ML , L , XL Shimano RT56, 6-bolt, 180mm |
|
Size:
S , M , ML , L , XL Shimano RT56, 6-bolt, 160mm |
|
| Rotor size | Max brake rotor sizes - Frame: 180mm, Fork: see fork manufacturer |
| Weight | M - 10.44 kg / 23.02 lbs |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |