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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 podum.
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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 hereIsoSpeed 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.
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.
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.
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Easier 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.
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Knock 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.
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| 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, 42 mm offset, Boost110, 15 mm Maxle Stealth, 100 mm 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, 15 mm 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, 15 mm thru axle |
| Hub rear | Bontrager alloy, sealed bearing, 6-bolt, 108T Rapid Drive, SRAM XD driver, Boost148, 12 mm 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, 180 ml/6 oz |
| 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, Boost, 170 mm length |
|
Size:
M , ML , L , XL SRAM X1 Eagle, DUB, 32T alloy ring, Boost, 175 mm 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, 35 mm, 5 mm rise, 720 mm width |
|
Size:
L , XL Bontrager Line, alloy, 35 mm, 15 mm rise, 750 mm width |
|
| Grips | ESI Chunky |
| *Stem |
Size:
S Bontrager Elite, 35 mm, 13-degree, 60 mm length |
|
Size:
M , ML Bontrager Elite, 35 mm, 13-degree, 70 mm length |
|
|
Size:
L , XL Bontrager Elite, 35 mm, 13-degree, 80 mm 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, 180 mm |
|
Size:
S , M , ML , L , XL Shimano RT56, 6-bolt, 160 mm |
|
| 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). |