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2026 Trek Procaliber 8 XC Mountain Bike in Fury Red
2026 Trek Procaliber 8 XC Mountain Bike in Fury Red
Trek

2026 Trek Procaliber 8 XC Mountain Bike in Fury Red

£1,300.00
Size Guide
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Estimated Delivery & Collection Dates

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We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Hassle free returns

RETURNS POLICY

If you'd like to exchange or return your order please include your name and order number with the return, our returns address is:

Returns
Activ Cycles
Unit 1&2 Kingfisher Business Park
Henwood
Ashford
TN24 8DG

Subject to the terms set out below we are happy to offer a refund or exchange on all goods except goods which are special orders or nutrition products, or where we have expressly advised you that there is no right to return the goods ordered (save in the event the goods are faulty) provided the goods are returned to us within 14 days of delivery to you.

If you return goods to us and request a different size or alternative product we will send it out free of charge (subject to stock availability). If you require a refund (or the replacement item is not in stock) we aim to process refunds within 2 working days of receipt of the goods. It is your responsibility to ensure that the item is returned to us safely and securely and in saleable condition.

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Your rights to return goods are protected under the Consumer Protection (Distance Selling) Regulations 2000 which can be found at theConsumer Protection (Distance Selling) Regulations 2000 (legislation.gov.uk).

2026 Trek Procaliber 8 XC Mountain Bike in Fury Red

Season:2026

Brand:Trek

Code:57370RED

The procaliber 8 is a cross-country mountain bike built for hot laps and singletrack. It confidently rolls the fine line between race-ready and pocket-friendly with an alloy frame that's built with modern geometry for handling fast corners and rough sections of trail while keeping you ready to sprint up climbs. A 12-speed Shimano SLX and XT drivetrain and 120 mm Rockshox recon gold fork seal the deal with all the gears and rock-smoothing comfort you need. You want to dive into XC racing on a hardtail that's built to soar up climbs and stay composed through the rough stuff. You want to save some money with a sturdy alloy frame, and don't mind upgrading your components over time.

A lightweight alpha platinum aluminium hardtail frame with modern XC geometry and 148 mm boost spacing for stiff support under power. 120 mm of trail-smoothing front suspension from a Rockshox recon gold rl fork with debonair spring, motion control damper and lockout. A clean shifting blend of 12-speed Shimano XT and SLX components, tubeless-ready bontrager kovee wheels, a bontrager line dropper post with internal routing and hydraulic disc brakes.When you're ready to take on race day, reach for the procaliber 7. This alloy hardtail has a speedy attitude with modern cross-country geometry that's dialled for hammering up climbs and keeps its composure on loose descents.

- you get modern geometry and 120 mm of front suspension that keeps you in the attack on climbs and crushing confidently on descents
- it balances the accessible price of an alloy hardtail with the performance of its carbon cohorts
- you get the perfect blend of components with Shimano SLX and XT shifting and hydraulic brakes- its tubeless ready 29 in wheels keep rolling resistance down while helping fight flats
- internal cable routing keeps your ride quiet, reduces maintenance and looks sleek

Shimano XT is the original mountain bike groupset and trusted by generations of mountain bikers around the world. Whatever the trail, wherever you ride, XT is your solution for mountain biking today. Reliable shifting. Superior braking. Intuitive maintenance. XT is the high performance workhorse you can count on.Upgrade your pedals and love your bike morepedals are two of the five touchpoints that connect you with your bike, and even though this bike comes with a pair, upgrading to pedals that boost control and grip will greatly improve your ride. See the pedal guide and find the best pedals for your riding style. We recommend flat pedals for simple versatility.
Technical Information
Frame - Alpha Platinum Aluminium, tapered head tube, internal routing, BSA 73, hidden rack and kickstand mounts, UDH, Boost148, 12 mm thru axle
Fork- RockShox Recon Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 42mm offset, Boost110, 15 mm Maxle Stealth, 120mm travel
Max compatible fork travel- 130 mm (540 mm axle-to-crown)

Wheels
Hub front- Shimano TC500 alloy, CentreLock, 110x15 mm thru axle
Hub rear- Shimano TC500 alloy, CentreLock, 148x12 mm thru axle
Skewer rear - Bontrager Switch thru axle, removable lever
Rim- Bontrager Kovee, double-wall, Tubeless-Ready, 28-hole, 23 mm width, Presta valve
Tyre- Maxxis Rekon Race, tubeless ready, EXO casing, folding bead, 60 tpi, 29x2.40"
Tyre part- Bontrager TLR sealant, 180 ml/6 oz
Rim strip- Bontrager TLR
Max tyre size- Frame: 29x2.40", Fork: See manufacturer

Drivetrain
Shifter- Shimano SLX M7100, 12-speed
Rear derailleur - Shimano XT M8100, long cage
*Crank- Size: S , M, E*thirteen Helix, 30T steel ring, 73 mm spindle length, 52 mm chainline, 170 mm length
Size: ML , L , XL,E*thirteen Helix, 30T steel ring, 73 mm spindle length, 52 mm chainline, 175 mm length
Bottom bracket- Shimano BB-MT501 BSA
Cassette- Shimano SLX M7100, 10-51T, 12-speed
Chain- Shimano SLX M7100, 12-speed
Pedal- VP-536 nylon platform
Max. Chainring size- 1x: 34T (55 mm chain line), min 30T (52 mm chain line)

Components
Saddle- Verse Short, chromoly rails, 145 mm width
Seatpost- Size: S , M, Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6 mm, 310 mm length
Size: ML , L, Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 31.6 mm, 410 mm length
Size: XL, Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 31.6 mm, 450 mm length
Handlebar- Size: S , M, Bontrager Comp, alloy, 31.8 mm, 5 mm rise, 720 mm width
Size: ML , L , XL, Bontrager Rhythm Comp, alloy, 31.8 mm, 15 mm rise, 750 mm width
Grips- Trek Line Comp, nylon lock-on
Stem- Size: S, Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length
Size: M , ML, Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length
Size: L, Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length
Size: XL, Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length
Head set- Semi-integrated, sealed cartridge bearing, alloy cups, 1-1/8" top, 1.5" bottom
Brake- Shimano hydraulic disc, MT4100 lever, MT410 calliper
Brake rotor- Shimano RT54, CentreLock, 160 mm
Rotor size- Max brake rotor sizes – Frame: 180 mm, Fork: see fork manufacturer

Weight- M - 12.78 kg / 28.18 lbs (with TLR sealant, no tubes)
Weight limit- This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
Sizing Information
Professional Opinion
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