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X-Caliber 8 is a cross-country mountain bike made for fast laps and long days on the trail. It's built with special attention to value and the parts that make the biggest difference in performance.
X-Caliber 8 is a cross-country mountain bike made for fast laps and long days on the trail. It's built with special attention to value and the parts that make the biggest difference in performance. A 1x Shimano drivetrain, RockShox fork and hydraulic disc brakes make it a great choice for new mountain bikers and XC racers searching for fast, fun, singletrack adventure.
You're looking for a fast mountain bike for singletrack – one that's fully capable of taking on races, marathons and competitive group rides. You want something that is reliable and fun with dependable, lightweight parts.
A lightweight aluminium frame, a RockShox Judy SL 100 mm suspension fork with a TurnKey lockout and an air spring that's lighter and more adjustable than a coil spring, tubeless-ready wheels with Boost141 hub spacing and a Shimano Deore 1x12 drivetrain with a wide-range cassette.
With the X-Caliber 8, you're getting a performance frame paired with performance parts, like a RockShox air fork and 1x Shimano Deore drivetrain. Plus, it's equipped with durable, lightweight alloy rims that save weight and are easy to upgrade to tubeless.
*Please note – spec applies to all sizes unless listed separately
| Frame | Alpha Gold Aluminium, tapered head tube, internal derailleur and dropper post routing, rack and kickstand mount, Boost141, 5 mm QR |
|---|---|
| *Fork | Size: S RockShox Judy SL, Solo Air spring, TurnKey lockout, tapered steerer, Boost110, 15 mm Maxle Lite, 100 mm travel |
| Size: M, M/L, L, XL, XXL RockShox Judy SL, Solo Air spring, TurnKey lockout, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 100 mm travel |
|
| Max compatible fork travel | 120mm, XS: 100mm |
| Hub front | Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle |
|---|---|
| Hub rear | Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost141, 5 mm QR |
| *Rim | Size: S Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23 mm width, Presta valve |
| Size: M, M/L, L, XL, XXL Bontrager Kovee, double-wall, Tubeless-Ready, 28-hole, 23 mm width, Presta valve |
|
| Size: M, M/L, L, XL, XXL Bontrager Kovee, double-wall, Tubeless-Ready, 32-hole, 23 mm width, Presta valve |
|
| *Tyre | Size: S Maxxis Ardent Race, tubeless, EXO casing, folding bead, 60 tpi, 27.5x2.35" |
| Size: M, M/L, L, XL, XXL Maxxis Ardent Race, tubeless, EXO casing, folding bead, 60 tpi, 29x2.35" |
|
| Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
| Rim strip | Bontrager TLR |
| Max tyre size | Frame: 27.5x2.80" or 29x2.40", Fork: See manufacturer |
| Shifter | Shimano Deore M6100, 12-speed |
|---|---|
| Rear derailleur | Shimano XT M8100, long cage |
| *Crank | Size: S, M Shimano MT511, 30T steel ring, 52 mm chainline, 170 mm length |
| Size: M/L, L, XL, XXL Shimano MT511, 30T steel ring, 52 mm chainline, 175 mm length |
|
| Bottom bracket | Shimano BB-MT501 BSA |
| Cassette | Shimano Deore M6100, 10-51, 12-speed |
| Chain | Shimano Deore M6100, 12-speed |
| Pedal | VP-536 nylon platform |
| Max. chainring size | 1x: 32T |
| Saddle | Bontrager Arvada, steel rails, 138 mm width |
|---|---|
| *Seatpost | Size: S Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length |
| Size: M Bontrager alloy, 31.6 mm, 12 mm offset, 360 mm length |
|
| Size: M/L, L, XL, XXL Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length |
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| *Handlebar | Size: S, M Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width |
| Size: M/L, L, XL, XXL Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width |
|
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| *Stem | Size: S Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length |
| Size: M, M/L Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length |
|
| Size: L Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length |
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| Size: XL, XXL Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length |
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| Head set | Semi-integrated, loose ball bearing, 1-1/8" top, 1.5" bottom |
| Brake | Shimano MT200 hydraulic disc |
| *Brake rotor | Size: S, M, M/L, L, XL, XXL Shimano RT26, 6-bolt,160 mm |
| Size: L, XL, XXL Shimano RT26, 6-bolt,180 mm |
|
| Brake Set | Shimano MT200 hydraulic disc |
| Weight | M - 13.05 kg / 28.78 lbs |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.