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 SRAM 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. Frameset. 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. Wheels. Hub front Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle. Hub rear Formula DCL-141Q, sealed bearing, 6-bolt, Shimano 10 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. Spokes 14 g stainless steel. *Tyre Size: S. Bontrager XR3 Comp, wire bead, 30 tpi, 27.5x2.20''. Size: M, M/L, L, XL, XXL. Bontrager XR3 Comp, wire bead, 30 tpi, 29x2.20". Max tyre size Frame: 27.5x2.80" or 29x2.40", Fork: See manufacturer. Drivetrain. Shifter SRAM SX Eagle, 12-speed. Rear derailleur SRAM SX Eagle. *Crank Size: S. SRAM SX Eagle, GXP, 30T steel ring, Boost, 170 mm length. Size: M, M/L, L, XL, XXL. SRAM SX Eagle, GXP, 30T steel ring, Boost, 175 mm length. Bottom bracket Truvativ Powerspline, 73 mm, threaded cartridge, 118 mm spindle. Cassette SRAM PG-1210 Eagle, 11-50, 12-speed. Chain SRAM SX Eagle, 12-speed. Pedal VP-536 nylon platform. Max. chainring size 1x: 32T. Components. 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. Handlebar Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width. *Stem Size: S. Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length. Size: M. Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length. Size: M/L, L. Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length. Size: XL, XXL. Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length. 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. Weight M - 13.80 kg / 30.42 lbs (with tubes). Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).