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'A podium contender for any cross country racer'
'... this speedster is closer to being the best of both worlds – great pedalling efficiency combined with reasonable comfort and descending capability. Both Vital testers, who regularly race XC and often take on longer endurance rides and events, said they would buy this World Cup-winning bike.'
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'It’s a full-on racer and a very capable one at that'
'Trek's new cross-country race bike has the speed racers dream of. Everybody who has ridden the new Supercaliber has come away seriously impressed and wants more time on it. After their first ride, one was already calling it the fastest bike he had ridden – that’s saying something given the recent crop of test bikes that have passed through our offices lately.'
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'Supercaliber is pretty super'
'It’s a hoot to ride even when someone isn’t recording with a stopwatch, and it’s far more capable than its modest travel figures would suggest. As the testing progressed, I found myself pushing the Supercaliber harder and harder, and on increasingly challenging terrain.'
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'Sets the benchmark for XC race bike performance'
'… an unapologetic and uncompromising cross-country racing machine. The bike is absolutely world-class when it comes to going uphill.'
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Service manual
Time to get 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 hereThe science behind Supercaliber
With extensive lab and trail testing, the Trek Performance Research Engineers deliver the science to back up big claims, showing that in its second generation, the Supercaliber is not only more comfortable and efficient than its predecessor – but is even more efficient than a hardtail.
Read moreGet faster on the trail in a week
When it comes to being a better trail rider, practice makes perfect. Get seven tips from Pinkbike’s Christina Chappetta that will have you setting PRs and riding with more confidence in no time.
Read moreProduct features
Nothing else like it
Supercaliber’s unique frame design ditches traditional suspension hardware so there’s less weight, less maintenance and less lateral flex. IsoStrut connects the mainframe to the pivot-less seat stays to offer about 80 mm of rear wheel travel. This design offers a unique blend of efficiency, traction and fatigue-fighting compliance that keeps racers fresh and in control.
IsoStrut
IsoStrut integrated suspension gives you just enough travel to stay in control. It's fully tunable like a standard rear shock, but without the weight penalty of a full suspension bike.
SL OCLV Mountain Carbon
The Supercaliber SL is a lightweight OCLV Carbon frame. It features a lightweight carbon lay-up that doesn't compromise stiffness for weight, plus it features internal guides that make cable routing a breeze.
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 and efficiency.
Suspension Calculator
This suspension calculator will help you optimise your suspension settings for your riding weight. Simply follow the steps to find your best set up.
Learn moreComplete Tubeless System
Tubeless Ready rims and tyres make it easy to ditch the tubes so you get better traction, fewer flats and less weight. You're ready to roll straight out of the box with the included TLR rim strips, valves and sealant.
Learn moreSRAM Eagle AXS drivetrain
Enjoy precise, lightning fast gear changes – even when shifting under load – with Eagle AXS wireless electronic drivetrains. They're water and dust-proof, and the AXS app makes it easy to personalise your settings.
Internal dropper compatible
Internal routing ports make it easy to add a dropper post upgrade that lets you lower your saddle on the fly so it's out of your way for tricky sections of trail.
| Frame | SL OCLV Mountain Carbon, IsoStrut, UDH, 80 mm travel |
|---|---|
| Fork | RockShox Reba RL, Solo Air spring, Motion Control damper, remote lockout, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 110 mm travel |
| Shock | Trek IsoStrut, RockShox SIDLuxe, 2-position remote damper |
| Max compatible fork travel | 120 mm (533 mm axle-to-crown) |
| Wheel front | Bontrager Kovee Comp 25, Tubeless-Ready, 6-bolt, Boost110, 15 mm thru-axle, 29" |
|---|---|
| Wheel rear | Bontrager Kovee Comp 25, Tubeless-Ready, Rapid Drive 108, Boost148, 12 mm thru axle, 29" |
| Tyre | Bontrager Sainte-Anne Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.20" |
| Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
| Max tyre size | Frame: 29x2.40", Fork: See manufacturer |
| Battery | SRAM eTap battery pack (with charger) |
|---|
| Shifter | SRAM AXS POD |
|---|---|
| Rear derailleur | SRAM GX Eagle AXS, T-Type |
| *Crank |
Size:
S, M SRAM GX Eagle, DUB, T-Type, 34T, 55 mm chain line, 170 mm length |
|
Size:
ML, L, XL SRAM GX Eagle, DUB, T-Type, 34T, 55 mm chain line, 175 mm length |
|
| Bottom bracket | SRAM DUB, 92 mm, PressFit |
| Cassette | SRAM Eagle XS-1275, T-Type,10-52, 12-speed |
| Chain | SRAM GX Eagle, T-Type, 12-speed |
| Max. chainring size | 1x: 38T, min 30T |
| *Seatpost |
Size:
S Bontrager Line Dropper, 100 mm travel, internal routing, 31.6 mm, 345 mm length |
|---|---|
|
Size:
M, ML Bontrager Line Dropper, 125mm travel, internal routing, 31.6 mm, 395mm length |
|
|
Size:
L, XL Bontrager Line Dropper, 150mm travel, internal routing, 31.6 mm, 440mm length |
|
| Handlebar | Bontrager Line Pro, OCLV Carbon, 35 mm, 15 mm rise, 750 mm width |
| *Stem |
Size:
S, M Bontrager Elite, 35 mm, 13-degree, 60 mm length |
|
Size:
ML Bontrager Elite, 35 mm, 13-degree, 70 mm length |
|
|
Size:
L Bontrager Elite, 35 mm, 13-degree, 80 mm length |
|
|
Size:
XL Bontrager Elite, 35 mm, 13-degree, 90 mm length |
|
| Head set | FSA IS-2, 1-1/8" top, 1.5" bottom |
| Brake | SRAM Level Bronze 2-piston hydraulic disc |
| *Brake rotor |
Size:
S, M, ML, L, XL SRAM CenterLine, 6-bolt, round-edge, 160 mm |
|
Size:
S, M, ML, L, XL SRAM CentreLine, 6-bolt, round-edge, 180 mm |
|
| Rotor size | Max brake rotor sizes - Frame: 160mm, Fork: see fork manufacturer |
| Tool | Bontrager Switch Lever, w/tool |
|---|
| Weight | M - 11.98 kg / 26.42 lbs (with TLR sealant, no tubes) |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |