2023 Trek X-Caliber 8 Hardtail Mountain Bike
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The 2023 Trek X-Caliber 8 Hardtail Mountain Bike 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.
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.
Features
- It has the price of a more basic hardtail, but the parts and performance of a more expensive one
- 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)
- The 1x drivetrain delivers a wide range of gearing with the simplicity of a single shifter
Mountain Bike Buying Guide
Mountain biking is an incredibly diverse sport. Mountain bikes now come in three main flavours. They are XC, Trail and Enduro.
XC – short for cross country, are quick race bikes. They will normally have 29” wheels and come with 100mm of suspension. If you are mainly going to be riding bridleways and natural trails in the South East of England, where our shops are, an XC bike will be the quickest and most efficient option.
Trail – these bikes are designed to be pedalled up and down hill and for use on bridleways and natural trails, but also at dedicated trail centres. They normally come with 130mm or 140mm of suspension travel and can have either 27.5” or 29” wheels, but 29” is quickly becoming the norm. Trail bikes are good all-rounders. They won’t be as fast as an XC bike on the flat but they can handle a lot more challenging terrain, and a few jumps. If you plan on taking your bike to trail centres in Wales, or to the Alps, then a trail bike may be your best option.
Enduro – enduro racing is a thing in and of itself but many people buy enduro bikes for ‘aggressive’ trail riding and uplift days at places like Bike Park Wales. This generally means challenging downhill trails with some big jumps. With around 160mm of suspension travel enduro bikes can take some big hits. They are designed to be efficient enough to pedal up hills but really come into their own when pointed downhill. You get enduro bikes in either 27.5” or 29” wheel sizes as well as mullet setups of 29 at the front and 27.5 at the back.
Men’s and women’s mountain bikes
Nearly all the mountain bikes we sell are now unisex. All of the big brands have gradually stopped doing dedicated men’s and women’s bikes over the last few years. Instead they are focussed on producing bikes in a bigger range of sizes. So, for instance, the Trek Marlin 5 is a unisex bike that now comes in sizes from XXS to XXL large. This means it will fit riders from 4’ 5” to 6’ 5” and everything in between.
Read our full mountain bike buyers guide
Trek made their first bikes in 1976 in a barn in Wisconsin. Now they’re one of the biggest bike brands in the world. Trek bikes cover everything from professional-level road and mountain bike race bikes to commuters, hybrids and kids bikes. There is a strong heritage of racing at Trek and many Trek bikes have a strong race influence. They take a very scientific approach to researching bike and human performance and then make the fastest and most efficient bikes they can.
It doesn’t stop their attention and passion for cycling flows through everything they do. Since the 1990s, Trek has supported Places for Bikes. Places for Bikes is an advocacy organisation in the USA that gets more people on bikes more often! Places for Bikes ethos falls in line with the companies mission statement to:
Build only products we love. Provide incredible hospitality to our customers, and change the world by getting more people on bikes.
Frame - Alpha Gold Aluminium, tapered head tube, internal derailleur and dropper post routing, rack and kickstand mount, Boost141, 5 mm QR
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. 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
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 - Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23 mm width, Presta valve
Spokes - 14 g stainless steel
Tyre - Size: XS, 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
Shifter - Shimano Deore M6100, 12-speed
Rear derailleur - Shimano XT M8100, long cage
Crank - Size: XS, 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 - Wellgo VPE-536
Saddle - Bontrager Arvada, steel rails, 138 mm width
Seatpost - Bontrager alloy, 31.6 mm, 12 mm offset
Handlebar - Bontrager alloy, 31.8 mm, 5 mm rise
Grips - Bontrager XR Trail Comp, nylon lock-on
Stem - Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree
Head set - Semi-integrated, loose ball bearing, 1-1/8" top, 1.5" bottom
Brake - Shimano MT200 hydraulic disc
Brake rotor - Shimano RT26, 6-bolt
Brake Set - Shimano MT200 hydraulic disc
Weight - Medium - 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).
Please note: Manufacturers can sometimes change the specification of the products from time to time.
| Colours | HEX BLUE, SATIN LITHIUM GREY |
| Sizes | L - 29 WHEEL, M - 29 WHEEL, M/L - 29 WHEEL, S - 27.5 WHEEL, XL - 29 WHEEL, XS - 27.5 WHEEL, XXL - 29 WHEEL |
| Brand | Trek |
| Model Year | 2023 |
| Barcodes | 601842581780, 601842581797, 601842581803, 601842581810, 601842581827, 601842581834, 601842581841, 601842865194, 601842865200, 601842865217, 601842865224, 601842865231, 601842865248, 601842865255 |
| SKUs / Part Numbers | 5259715, 5259716, 5259717, 5259718, 5259719, 5259720, 5259721, 5275419, 5275420, 5275421, 5275422, 5275423, 5275424, 5275425 |
Why buy from Cycles UK?
We Deliver
You can choose how to receive your new bike. You can click and collect from our stores, pick a fast courier delivery or premium hand delivery. Whichever option you choose your bike will be fully assembled and checked by one of our experienced mechanics.
Price Promise
We regularly check our prices against our competitors to ensure that you are getting a good deal. If you find an item cheaper within seven days of purchase, just let us know and ask us to match the price.
Free Insurance
Cycles UK provides 14 days of free insurance on all new bikes sold to UK customers. As part of our service, your new bike is automatically covered with 14 days’ FREE insurance against theft and accidental damage.
Comfort Guarantee
Opinions of contact points such as saddles, shoes and grips can vary a lot between different riders. If you buy a contact point from Cycles UK and you don’t find it comfortable, you can return it within 30 days, and we’ll swap it for something else.
Trek Mountain Bike Size Guide
On most Trek mountain bikes the XS and S sizes will come with a 27.5" wheel while the M and above will come with a 29" wheel. The XXS size is generally a 26" wheel.
| Size | XXS | XS | S | M | M/L | L | XL | XXL |
| Rider Height (CM) | 134.6 - 144.7 | 145 - 154.6 | 155 - 164.75 | 165 - 172.5 | 172.75 - 180 | 180.25 - 187.75 | 188 - 195.25 | 195.5 - 203.25 |
| Rider Height (Feet and Inches) | 4' 4" - 4' 9.0" | 4' 9.1" - 5' 0.9" | 5' 1.0" - 5' 4.9" | 5' 5.0" - 5' 7.9" | 5' 8.0" - 5' 10.9" | 5' 11" - 6' 1.9" | 6' 2" - 6' 4.9" | 6' 5" - 6' 8" |
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