Trek Procaliber 6 Mountain Bike 2027 - Hardtail MTB











The Trek Procaliber 6 is a capable hardtail mountain bike built for speed and control. A lightweight aluminium frame, 120mm RockShox suspension and Shimano Deore 12-speed drivetrain make it ideal for XC riding and technical trails.
Key Features:
- Alpha Platinum Aluminium frame with modern XC geometry and Boost148 rear axle
- RockShox Judy Silver fork with 120mm travel and Solo Air spring
- Shimano Deore 1x12-speed drivetrain with 10-51T cassette
- Shimano MT200 hydraulic disc brakes
- 29in wheels with Bontrager Sainte-Anne Pro XR 2.2in tubeless-ready tyres
- TranzX 150mm internally routed dropper post and UDH compatibility
- Available with 0% APR finance
The Trek Procaliber 6 is built for riders who want the efficiency of a lightweight hardtail without compromising confidence on modern cross-country trails. Fast enough for marathon events and XC racing, yet capable enough for technical singletrack, it offers a balanced ride that encourages you to push further and ride faster.
Its Alpha Platinum Aluminium frame is engineered to deliver a responsive ride with the durability needed for regular off-road use. Modern geometry provides stable handling on descents while maintaining an efficient riding position for climbing and covering long distances. Internal cable routing keeps the bike looking clean and protects cables from the elements, while the threaded BSA bottom bracket makes maintenance straightforward. The frame also features Boost 148 spacing and a Universal Derailleur Hanger (UDH) for improved compatibility and easier replacement if required. Hidden rack and kickstand mounts add extra versatility for riders who want to use the bike beyond the trail.
Trek has also transitioned the frame to lower-emission aluminium produced using renewable energy, helping reduce the environmental impact of manufacturing while maintaining the same proven performance.
Up front, the RockShox Judy Silver fork delivers 120mm of travel through its lightweight Solo Air spring and TurnKey lockout damper. The additional travel compared with a traditional XC setup offers greater comfort and control over rough trails, while the lockout improves pedalling efficiency on smoother climbs, fire roads and linking sections.
Shimano's Deore 1x12-speed drivetrain provides dependable shifting and a wide gear range to tackle everything from steep technical climbs to fast flowing descents. A 32T chainring paired with a 10-51T cassette gives riders plenty of climbing assistance while maintaining high-speed gearing for flatter terrain. Shimano's proven chain retention also helps keep the drivetrain running quietly over rough ground.
Shimano MT200 hydraulic disc brakes provide consistent braking performance with reliable stopping power and easy modulation, giving confidence in changing trail conditions throughout the year.
Rolling on 29-inch wheels, the Procaliber 6 carries speed efficiently across rough terrain while smoothing trail chatter. Bontrager Sainte-Anne Pro XR 2.2-inch tubeless-ready tyres offer a dependable balance of grip, rolling speed and puncture resistance, with the option to run lower pressures for improved traction and comfort.
A TranzX internally routed dropper post with 150mm of travel allows riders to quickly lower the saddle for steeper descents and technical trail features, making it easier to move around the bike when the trail becomes more demanding.
Combining a lightweight aluminium frame, capable 120mm suspension and dependable Shimano components, the Trek Procaliber 6 is a versatile hardtail that feels equally at home on XC race courses, marathon events and fast-paced trail rides.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | Alpha Platinum Aluminium, tapered head tube, internal routing, BSA 73, hidden rack and kickstand mounts, UDH, Boost148, 12 mm thru axle |
| Fork | RockShox Judy Silver, Solo Air spring, TurnKey lockout, tapered steerer, 42mm offset, Boost110, 15 mm Maxle Stealth, 120 mm travel RockShox Judy Silver, Solo Air spring, TurnKey lockout, tapered steerer, 42mm offset |
| Headset | Semi-integrated, loose ball bearing, 1-1/8" top, 1.5" bottom |
| Stem | Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree |
| Bars | Bontrager alloy, 31.8 mm |
| Front Brake | Shimano MT200 Hydraulic Disc |
| Rear Brake | Shimano MT200 Hydraulic Disc |
| Rear Mech | Shimano Deore M6200, long cage |
| Speed | 12 |
| Front Hub | Shimano TC500 alloy, CentreLock, 110x15 mm thru axle |
| Rear Hub | Shimano TC500 alloy, CentreLock, 148x12 mm thru axle |
| Front Tyre | Bontrager Sainte-Anne Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.20" |
| Rear Tyre | Bontrager Sainte-Anne Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.20" |
| Seat Post | TranzX JD-YSI34, 150 mm travel, internal routing, 31.6 mm |
| Saddle | Verse Short, steel rails, 145 mm width |
| Chainset | Shimano MT520, 32T, 55 mm chainline, 170 mm length |
| Bottom Bracket | Shimano BB-MT501 BSA |
| Chain | Shimano Deore M6100, 12-speed |
| Cassette | Shimano M6200, 10-51, 12-speed |
| Pedals | VP-536 nylon platform |
Mountain Bike Size Chart
|
Height
|
Bike Size
|
Mountain Bike Size
|
|
4’8” – 5’1”
143 – 155 cm
|
XXS
|
13” (33 cm)
|
|
5’1” – 5’4”
155 – 163 cm
|
XS
|
15” (38 cm)
|
|
5’4” – 5’7”
163 – 170 cm
|
S
|
16” (41 cm)
|
|
5’7” – 5’10”
170 – 178 cm
|
M
|
18” (46cm)
|
|
5’10” – 6’0”
178 – 183 cm
|
L
|
19” (48cm)
|
|
6’0” – 6’3”
183 – 191 cm
|
XL
|
20” (51 cm)
|
|
6’3” – 6’5”
191 – 196 cm
|
XXL
|
21” (53 cm)
|
|
6’5” – 6’9”
196 – 205 cm
|
XXXL
|
22” (56 cm)
|
* Mountain bikes are sized differently to road bikes. Typically, they are sized in inches as the first MTBs were produced in the USA. European brands like Lapierre and Haibike like to use centimetres for all their bikes. The measurements of their mountain bikes doesn’t match their road bikes but are like a simple conversion from the inches measurement. This is why we have included cm measurements in brackets for the Mountain bike column.
Read our bike size guide for more information on sizing.
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Get this on cycle to work
Save up to £462.00
Cycle to work is a government funded salary sacrifice scheme which allows you to spread the cost of purchasing a bike and equipment and save on Income Tax and National Insurance.
Lower Tax Rate | Higher Tax Rate | |
|---|---|---|
Monthly pre-tax cost | £91.67 | £91.67 |
Monthly cost to you | £66.00 | £53.17 |
Total cost over 12 mths | £792.00 | £638.00 |
Total savings | £308.00 | £462.00 |
The calculations provided here are based on a monthly pay frequency and will vary depending on your personal taxation and your employers scheme.
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