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.
Colour / Matte Trek Black // Matte Alpine Blue
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 Alpha Gold Aluminium frame, a RockShox 30 Silver 100 mm suspension fork with a lockout and an air spring that's lighter and more adjustable than a coil spring, Bontrager Kovee Tubeless Ready wheels with Boost141 hub spacing, Shimano hydraulic disc brakes and a smooth, efficient SRAM SX Eagle 1x12 drivetrain with a wide-range cassette.
With X-Caliber 8, you're getting a performance frame paired with performance parts, like a RockShox air fork and 1x SRAM Eagle drivetrain. Plus, it's equipped with durable, lightweight alloy rims that save weight and are easy to upgrade to tubeless.
All Terrain Cycles are now offering a Home Delivery service.
Our Cytech qualified mechanics will first make sure that your bike is fully checked and ready to ride.
Then we will deliver it completely assembled direct to your home or place of work where we will set up your bike for your personal needs and answer any questions you may have. All for just £50.00.
Our delivery map indicates a general area, however, if you do not see your location on the map please call us on 01274 588488 to discuss a special delivery.
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Stock is held at our two stores and at an external warehouse, and as a consequence our website does not show live stock.
Upon placing an online order we will notify you if we are unable to fulfil your order within 1-5 working days.
We do not charge your credit or debit card until we dispatch your order, unless by prior agreement or as a holding deposit for special purchase items.
Our mail Order Customer service is open Monday to Friday 8am to 5.30pm
If you are visiting one of our stores and interested in a specific item, please ring us on 01274 588 488 to check that it is available at the store you are visiting before making a special trip.
This telephone number is manned 7 days a week in line with our shop opening hours.
|It has the price of a more basic hardtail and the performance of a more expensive one|
|The RockShox air fork has a rebound adjust and can be tuned to the rider’s weight, and it’s way higher quality than what you’d normally get on an MTB at this price|
|The frame is fully compatible with higher-end parts, like race wheels and a dropper post, if you ever find the need to upgrade|
|Smart Wheel Sizing means you'll get the fastest wheel that fits (29? wheels on larger frames, 27.5? wheels on smaller frames)|
|Weight||M - 13.44 kg / 29.63 lbs (with tubes)|
|Frame||Alpha Gold Aluminum, tapered head tube, internal derailleur & dropper post routing, rack & kickstand mount, Boost141, 5mm QR|
|Fork||RockShox 30 Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, tapered steerer, 46mm offset for 29" wheel, 100mm QR, 100mm travel (XS: 80mm)|
|Front Hub||Formula DC-20 LW, alloy, 6-bolt, 5x100mm QR|
|Rear Hub||Formula DC-2241, alloy, 6-bolt, Shimano 8/9/10 freehub, Boost141, 5mm QR|
|Rims||Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23mm width, presta valve|
|Tires||Bontrager XR3 Comp, wire bead, 30 tpi, 29x2.20" (Size XS & S: 27.5x2.20")|
|Shifters||SRAM SX Eagle, 12 speed|
|Rear derailleur||SRAM SX Eagle|
|Crank||SRAM SX Eagle, GXP, 30T steel ring, Boost|
|Bottom bracket||Truvativ Powerspline, 73mm, threaded cartridge, 118mm spindle|
|Cassette||SRAM PG-1210 Eagle, 11-50, 12 speed|
|Chain||SRAM SX Eagle, 12 speed|
|Pedals||VP-536 nylon platform|
|Saddle||Bontrager Arvada, steel rails, 138mm width|
|Seatpost||Bontrager alloy, 31.6mm, 12mm offset|
|Handlebar||Bontrager alloy, 31.8mm, 5mm rise|
|Stem||Bontrager Elite, 31.8mm, Blendr compatible, 7 degree|
|Grips||Bontrager XR Trail Comp, nylon lock-on|
|Headset||Semi-integrated, cartridge bearing, 1-1/8" top, 1.5" bottom|
|Brakeset||Shimano MT200 hydraulic disc|
Manufacturer may reserve the right to change the specification of that listed or shown on this page.