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The Trek X-Caliber 9 is a speedy, nimble and efficient XC hardtail that's perfect for riders with a racing pedigree and anyone who dreams of covering epic distances out on the trail.
The Trek X-Caliber 9 is a speedy, nimble and efficient XC hardtail that's perfect for riders with a racing pedigree and anyone who dreams of covering epic distances out on the trail.

Trek X-Caliber 9 Hardtail Mountain Bike 2021 in Teal to Volt Fade

£750.00 £1,275.00 41% off
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So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Any item, except food, face masks or e-gift vouchers (full e-gift vouchers T&Cs are listed on the respective product pages) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase. It is recommended that you use a recorded delivery service to ensure your items are received by us. We cannot assume responsibility for items that are lost in the post.

Online or in-store purchases can both be returned to any store free of charge or can be returned by post after completing the online returns form. If you are returning an item due to a fault, we will refund your postage.

If you wish to return your bike to us, please keep the box it arrived in and let us know using the returns form and we will arrange collection.

Customer Returns Form

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Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the products have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:

1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £24.99 for collection. If you do not have the original box, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid receipt.

Trek X-Caliber 9 Hardtail Mountain Bike 2021 in Teal to Volt Fade




The Trek X-Caliber 9 is the top-end model in the X-Caliber family. It's a fully race-ready cross-country mountain bike built with parts designed to compete. A RockShox Judy Silver fork with remote lockout, a 1x12 Shimano XT/SLX drive train, and a wide-range cassette make it a great choice for fast singletrack riders who want a great bike that's ready to race straight out of the box. This is the perfect hardtail for you if you measure your rides in speed and distance and want a fast XC bike that will help you cover more trail in less time. This hardtail has competition-level parts that can give you an advantage on the trail.
The X-Caliber 9 is a great bike for someone who's just getting into serious racing: you get high-end XC parts on an incredible frame with enough cash left over for entry fees. There's nothing as sweet as a silent ride: the clutch rear derailleur prevents chain slap, even in the rough. The frame is fully compatible with higher-end parts, like race wheels and a dropper post, if you ever find the need to upgrade and the remote lockout lets you lock out the fork on flats without taking your hands off the bars.

Key Features & Benefits:

  • Shimano 1x12 Drivetrain: Delivers a wide range of gearing with the simplicity of a single shifter.
  • Hydraulic Disc Brakes: Powerful stopping capacity to keep you in control.
  • Aluminium Frame: Lightweight & Durable

Full Specification:

  • Frame: Alpha Gold Aluminium, tapered head tube, internal derailleur and dropper post routing, rack and kickstand mount, Boost141, 5 mm QR
  • Rear Shock (If Applicable): N/A
  • Fork: RockShox Judy Silver, Solo Air, TurnKey remote lockout, tapered steerer, Boost110, 15mm Maxle, 80 or 100mm travel
  • Number of Gears: 12
  • Gear Shifters: Shimano SLX M7100, 12-speed
  • Chainset: Shimano MT611, Boost
  • Chainrings: 30T Steel
  • Rear Cassette: Shimano SLX M7100, 10-51, 12-speed
  • Chain: Shimano SLX M7100, 12-speed
  • Front Derailleur: N/A
  • Rear Derailleur: Shimano XT M8100, long cage, 51T max cog
  • Bottom Bracket: Shimano SM-BB52, 73 mm, threaded external bearing
  • Pedals: VP-536 nylon platform
  • Rims: Bontrager Kovee, double-wall, Tubeless Ready, 28-hole front, 32 hole rear 23 mm width, Presta valve
  • Front Hub: Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
  • Rear Hub: Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost141, 5 mm QR
  • Front Tyre: Bontrager XR3 Comp, wire bead, 30 tpi, 27.5x2.20" (XS,S) 29x2.20" (M, ML, L, XL, XXL)
  • Rear Tyre: Bontrager XR3 Comp, wire bead, 30 tpi, 27.5x2.20" (XS,S) 29x2.20" (M, ML, L, XL, XXL)
  • Brakes: Shimano hydraulic disc, MT4100/401 levers, MT410/400 callipers
  • Handlebars: Bontrager alloy, 31.8 mm, 5 mm rise
  • Handlebar Grips: Bontrager XR Trail Comp, nylon lock-on
  • Headset: Semi-integrated, loose ball bearing, 1-1/8" top, 1.5" bottom
  • Stem: Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree
  • Saddle: Bontrager Arvada, steel rails, 138 mm width
  • Seatpost: Bontrager alloy, 31.6 mm, 12 mm offset
  • Accessories: N/A
  • Weight: M - 13.32 kg / 29.37 lb (with tubes)
Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Size Guide for Trek X-Caliber

SizeRider HeightRider HeightInseamInseam
XS145 - 155 cm4'9" - 5'1"69 - 73 cm27" - 29"
S155 - 165 cm5'1" - 5'5"74 - 78 cm29" - 31"
M165 - 176 cm5'5" - 5'9"79 - 83 cm31" - 33"
M/L173 - 180 cm5'8" - 5'11"81 - 86 cm32" - 34"
L177 - 188 cm5'10" - 6'2"84 - 89 cm33" - 35"
XL188 - 195 cm6'2" - 6'5"89 - 91 cm35" - 36"
2XL195 - 203 cm6'5" - 6'8"91 - 97 cm36" - 38"

Geometry Information for Trek X-Caliber

Frame size number13.5"15.5"17.5"18.5"19.5"21.5"23.0"
Frame size letterXSSMMLLXLXXL
Wheel size27.5"27.5"29"29"29"29"29"
A — Seat tube34.336.841.944.44752.155.9
B — Seat tube angle73.5°73.5°71.9°71.9°71.9°71.9°71.9°
Effective seat tube angle73.5°73.5°73.0°73.0°73.0°73.0°73.0°
C — Head tube length9999101212
D — Head angle69.3°69.3°69.5°69.5°69.5°69.5°69.5°
E — Effective top tube54.455.560.161.763.765.867.2
F — Bottom bracket height29.230.231.131313131.1
G — Bottom bracket drop5.
H — Chainstay length42.542.543.843.843.843.843.8
I — Offset4.
J — Trail8.
K — Wheelbase103.6105.3110.9112.5114.5116.7118.1
L — Standover69.872.474.875.775.776.880.4
M — Frame reach37.638.541.843.445.146.648
N — Frame stack56.557.459.859.860.862.762.7

Warranty Information for Trek:

Lifetime warranty on Frame sets (frame and rigid fork), main frame and full suspension swing arms for the lifetime of the original owner, and Bontrager wheels with carbon rims.

2-year warranty on Rear suspension linkage components, including bearings, rocker link and accompanying hardware and components, Bontrager wheels with alloy rims, Paint and transfers.

For full warranty policy please visit

Technical Information

Geometry for Trek X-Caliber 9 Hardtail Mountain Bike

Trek X-Caliber 9 Hardtail Mountain Bike

All measurements in cm unless stated otherwise

Frame Size Number 13.5 15.5 17.5 18.5 19.5 21.5 23.0
Frame Size Letter XS S M ML L XL XXL
Wheel Size 27.5" 27.5" 29" 29" 29" 29" 29"
A - Seat Tube 34.3 36.8 41.9 44.4 47.0 52.1 55.9
B - Seat Tube Angle 73.5° 73.5° 71.9° 71.9° 71.9° 71.9° 71.9°
Effective Seat Tube Angle 73.5° 73.5° 73.0° 73.0° 73.0° 73.0° 73.0°
C - Head Tube Length 9.0 9.0 9.0 9.0 10.0 12.0 12.0
D - Head Angle 69.3° 69.3° 69.5° 69.5° 69.5° 69.5° 69.5°
E -Effective TT Length 54.4 55.5 60.1 61.7 63.7 65.8 67.2
F - BB Height 29.2 30.2 31.1 31.0 31.0 31.0 31.1
G - BB Drop 5.8 4.8 5.8 5.8 5.8 5.8 5.8
H -Chainstay length 42.5 42.5 43.8 43.8 43.8 43.8 43.8
I -Offset 4.2 4.2 4.2 4.2 4.2 4.2 4.2
J -Trail 8.8 8.8 9.4 9.4 9.4 9.4 9.4
K - Wheelbase 103.6 105.3 110.9 112.5 114.5 116.7 118.1
L - Standover 69.8 72.4 74.8 75.7 75.7 76.8 80.4
M - Frame Reach 37.6 38.5 41.8 43.4 45.1 46.6 48.0
N - Frame Stack 56.5 57.4 59.8 59.8 60.8 62.7 62.7


Sizing Information
Trek Sizing Guide
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