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 | Size: XS RockShox Judy SL, Solo Air spring, TurnKey lockout, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Lite, 80 mm travel |
Size: S RockShox Judy SL, Solo Air spring, TurnKey lockout, tapered steerer, Boost110, 15 mm Maxle Lite, 100 mm travel |
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Size: M, ML, L, XL, XXL RockShox Judy SL, Solo Air spring, TurnKey lockout, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 100 mm travel |
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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: XS, S Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23 mm width, Presta valve |
Size: M, ML, L, XL, XXL Bontrager Kovee, double-wall, Tubeless-Ready, 28-hole, 23 mm width, Presta valve |
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Size: M, ML, L, XL, XXL Bontrager Kovee, double-wall, Tubeless-Ready, 32-hole, 23 mm width, Presta valve |
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Spokes | 14 g stainless steel, black |
*Tyre | Size: XS, S Maxxis Ardent Race, tubeless ready, EXO casing, folding bead, 60 tpi, 27.5x2.35" |
Size: M, ML, L, XL, XXL Maxxis Ardent Race, tubeless ready, EXO casing, folding bead, 60 tpi, 29x2.35" |
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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 |
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Rear derailleur | Shimano XT M8100, long cage |
*Crank | Size: XS, S, M Shimano MT511, 30T steel ring, 52 mm chainline, 170 mm length |
Size: ML, L, XL, XXL Shimano MT511, 30T steel ring, 52 mm chainline, 175 mm length |
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*Bottom bracket | Size: XS, S, M, ML, L, XL, XXL Shimano SM-BB52, 73 mm, threaded external bearing |
Size: S, M, ML, L Shimano BB-MT501 BSA |
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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: XS, 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 |
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Size: ML, L, XL, XXL Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length |
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*Handlebar | Size: XS Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width |
Size: S, M Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width |
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Size: ML, L, XL, XXL 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: XS, S Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length |
Size: M, ML Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length |
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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: XS, S, M, ML, L, XL, XXL Shimano RT26, 6-bolt,160 mm |
Size: L, XL, XXL 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). |
Sizing
Size | Rider Height | Inseam |
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XS |
145 - 155 cm 4'9" - 5'1" |
69 - 73 cm 27" - 29" |
S |
155 - 165 cm 5'1" - 5'5" |
74 - 78 cm 29" - 31" |
M |
165 - 176 cm 5'5" - 5'9" |
79 - 83 cm 31" - 33" |
ML |
173 - 180 cm 5'8" - 5'11" |
81 - 86 cm 32" - 34" |
L |
177 - 188 cm 5'10" - 6'2" |
84 - 89 cm 33" - 35" |
XL |
188 - 195 cm 6'2" - 6'5" |
89 - 91 cm 35" - 36" |
2XL |
195 - 203 cm 6'5" - 6'8" |
91 - 97 cm 36" - 38" |
Geometry
All measurements provided in cm unless otherwise stated.
Frame size number | Frame size letter | Wheel size | A — Seat tube | B — Seat tube angle | Effective seat tube angle | C — Head tube length | D — Head angle | E — Effective top tube | F — Bottom bracket height | G — Bottom bracket drop | H — Chainstay length | I — Offset | J — Trail | K — Wheelbase | L — Standover | M — Frame reach | N — Frame stack |
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15.5" | S | 27.5" | 36.8 | 73.5° | 73.5° | 9.0 | 69.3° | 55.5 | 30.2 | 4.8 | 42.5 | 4.2 | 8.8 | 105.3 | 72.4 | 38.5 | 57.4 |
17.5" | M | 29" | 41.9 | 71.9° | 73.0° | 9.0 | 69.5° | 60.1 | 31.1 | 5.8 | 43.8 | 4.2 | 9.4 | 110.9 | 74.8 | 41.8 | 59.8 |
18.5" | ML | 29" | 44.4 | 71.9° | 73.0° | 9.0 | 69.5° | 61.7 | 31.0 | 5.8 | 43.8 | 4.2 | 9.4 | 112.5 | 75.7 | 43.4 | 59.8 |
19.5" | L | 29" | 47.0 | 71.9° | 73.0° | 10.0 | 69.5° | 63.7 | 31.0 | 5.8 | 43.8 | 4.2 | 9.4 | 114.5 | 75.7 | 45.1 | 60.8 |