The Trek Precaliber 20 in bold Radioactive Red is a lightweight, durable youth bike engineered to give kids aged 6–8 total confidence on neighbourhood footpaths, school runs, and park trails. Built around a strong Alpha Silver Aluminium frame with a low standover height for easy mounting, this 20-inch wheel bike pairs a simple 7-speed Shimano drivetrain with a kid-friendly twist shifter, making gear changes smooth and natural for smaller hands. Every contact point—from narrow grips and short-reach brake levers to the comfortable padded saddle—is scaled specifically for young riders. Whether upgrading from a 16-inch bike or mastering gears for the first time, this setup builds handling skills, encourages exploration, and stands up to everyday adventure.
Key Features
Alpha Silver Aluminium Frame: Lightweight, rust-resistant, and durable with a low standover height for quick and safe mounting.
Intuitive 7-Speed Drivetrain: Easy-to-use twist shifter lets kids select gears seamlessly without taking their hands off the handlebars.
Kid-Specific Ergonomics: Scaled-down grips, short-reach brake levers, and a tailored saddle built specifically for growing riders.
Reliable Linear-Pull Brakes: Alloy V-brakes front and rear offer controlled, confident stopping power to develop hand-braking skills.
Grippy Bontrager Tyres: Wide 20 x 2.25" tyres deliver outstanding traction, stability, and comfort across tarmac, gravel, and grass.
Specifications
| Component | Specification |
| Frame | Alpha Silver aluminium, 20" kids' frame size, rack and kickstand mounts |
| Fork | Steel, 20", threadless 1-1/8" steerer |
| Rear Derailleur | Shimano Tourney TY300 |
| Shifters | Shimano Tourney TY18, 7-speed twist shift |
| Crankset | ProWheel alloy, 32T steel ring with double guard, 127 mm length |
| bb | Square taper, 68 mm, sealed cartridge |
| chain | KMC Z7, 7-speed |
| Cassette | SunRun freewheel, 14-28, 7-speed |
| brakes | Alloy linear-pull with alloy kids' levers |
| Grips | Kids' grips, 125 mm width |
| Handlebar | Kids' steel, 25.4 mm clamp, 40 mm rise, 560 mm width |
| Seatpost | Steel, 27.2 mm, 230 mm length |
| saddle | Kids' padded saddle, integrated seatpost |
| headset | Adjustable ball bearing, threadless |
| Wheelset | Steel front hub, alloy rear hub with 20" 32-hole alloy rims |
| tyres | Bontrager XR1, wire bead, 27 tpi, 20x2.25" |
| Extras | Kickstand |
| aprox weight in kg | 9.50 kg |
why this bike is for you
You are searching for a high-quality, lightweight bike for a child aged 6–8 (114 cm to 132 cm tall).
You want a simple 1x7 drivetrain with a twist shifter to introduce gear changing without overwhelming young riders.
You prefer a rigid fork setup to keep the total bike weight down for easier pedalling and accurate steering.
You value a durable aluminium frame crafted to handle daily use and be passed down to younger siblings.
why this bike may not be for you
Your child plans to tackle rough off-road singletrack trails and requires a front suspension fork to absorb impacts.
Your child is taller than 132 cm and is ready to step up to a 24-inch wheel model.
You are looking for a single-speed bike without gears for simpler maintenance.
For safety reasons bikes can not be shipped directly in a box and must be picked up fully assembled in-store.
