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.
Frame | Alpha Gold Aluminium, tapered head tube, internal derailleur and dropper post routing, rack and kickstand mount, Boost141, 5 mm QR |
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Fork | 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 |
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Hub rear | Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost141, 5 mm QR |
*Rim |
Size: M, ML, L, XL Bontrager Kovee, double-wall, Tubeless-Ready, 28-hole, 23 mm width, Presta valve |
Size: M, ML, L, XL Bontrager Kovee, double-wall, Tubeless-Ready, 32-hole, 23 mm width, Presta valve |
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Tyre | Maxxis Ardent Race, tubeless, EXO casing, folding bead, 60 tpi, 29×2.35″ |
Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
Rim strip | Bontrager TLR |
Max tyre size | Frame: 27.5×2.80″ or 29×2.40″, Fork: See manufacturer |
Shifter | Shimano Deore M6100, 12-speed |
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Rear derailleur | Shimano XT M8100, long cage |
*Crank |
Size: M Shimano MT511, 30T steel ring, 52 mm chainline, 170 mm length |
Size: ML, L, XL Shimano MT511, 30T steel ring, 52 mm chainline, 175 mm length |
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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 |
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*Seatpost |
Size: M Bontrager alloy, 31.6 mm, 12 mm offset, 360 mm length |
Size: ML, L, XL Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length |
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*Handlebar |
Size: M Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width |
Size: ML, L, XL Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width |
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Grips | Bontrager XR Trail Comp, nylon lock-on |
*Stem |
Size: M, ML 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 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: M, ML, L, XL Shimano RT26, 6-bolt,160 mm |
Size: L, XL Shimano RT26, 6-bolt,180 mm |
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Brake Set | Shimano MT200 hydraulic disc |
Weight | M – 13.05 kg / 28.78 lbs |
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Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |