Winner of the 2023 MBR Best Hardtail Mountain Bike Under £1,000 – “As a performance mountain bike at an entry-level price, Calibre has hit the bullseye.”

The Line T3 stands as the top-of-the-range hardtail, that is built on the success of a long line of award-winning hardtails. Its modern frame boasts progressive geometry and trusted components, ensuring a reliable ride every time.

With 27.5" wheels and big tires, this bike strikes the perfect balance of stability and agility, making corners a breeze. Experience the thrill of descending with a long frame that keeps your weight centred, and easily adjust your seat with the dropper post to handle any terrain.

Climbing is a breeze too, thanks to the steep seat angle that keeps your front wheel firmly planted. Plus, there are added extra bosses under the toptube so you can easily carry essentials like a bag, tube, pump and multi-tool on your ride.

The Line T3 is all about fun, and that's exactly what this bike delivers year-round. Get ready to hit the trails and experience the joy of riding like never before.

About Calibre

Calibre Bikes have a simple ethos: to build high-quality road and mountain bikes, that are affordable and fun to ride. Thoughtful and innovative design, with great attention paid to geometry and spec, makes Calibre an award-winning brand that leads the pack.

• Frame: Alu 6061 27.5”, 148 Boost Thru Axle, Post-mount disc, 44/56 tapered headtube
• Forks: RockShox FS-RECON SILVER-RL, 46 offset, 140mm travel, 15x110mm Boost Thru-axle
• Handlebar: Calibre Trail, Alloy 780mm wide, 20mm upsweep, 6°backsweep, 31.8mm clamp
• Stem: Calibre Trail, 31.8mm clamp, 45mm extension
• Grips: Calibre Trail, Single lock-on, soft compound, integrated bar end
• Headset: Tapered, Semi-integrated, ZS44 / ZS56
• Saddle: Calibre Trail, steel rails
• Seatpost: 30.9 KS Rage-i Dropper post, 125mm travel
• Seatclamp: Calibre single bolt 34.9mm
• Chainset: Calibre 170mm crank, 32T Narrow-wide chainring, 104 BCD
• Pedals: Flat pedals
• Bottom Bracket: External 73mm BB
• Drivetrain: Sram NX 11 Speed
• Cassette: Sunrace 11 speed 11-42T
• Chain: KMC X-11
• Shifter: SRAM NX 11 Speed
• Rear Derailleur: SRAM NX 11 Speed, Long cage
• Tyres: Maxxis Rekon 27.5” x 2.6”
• Rims: 27.5”, 35mm wide, 32h, alu double wall, tubeless ready
• Front Hub: Formula DC711, 32h, 6 bolt disc hub, 15x110mm TA
• Rear Hub: Formula DCL348S, 32h, 6 bolt disc hub, 12x148mm TA
• Front Brake: SRAM Level T
• Rear Brake: SRAM Level T
• Front Rotor: SRAM 180mm
• Rear Rotor: SRAM 160mm
• Colour: Teal

Please note: some minor specification changes may occur without notice. Any changes will use equivalent or higher quality parts.

Building your bike: Bikes purchased online are delivered boxed and will require assembly before they can be used. View the GO Outdoors Bike Assembly guide for more info, including step-by-step and video instruction guides.

We are happy to assemble your bike for FREE at any GO Outdoors store with a bike servicing department (this excludes all GO Express stores, and select