5271599
768682614525
When you buy a bike from us in the store or come to collect your Click & Collect order we will adjust your new bike to fit you.
This includes adjusting saddle height, saddle position and where possible adjusting the brake levers / gear shifters.
We will also adjust any accessories you have purchased with your bike where applicable.
At Wheelworx, we're committed to delivering not just quality bikes but also exceptional value and peace of mind for our customers. That’s why every bike purchased from us includes Lifetime Free Service—so your bike remains in peak condition for years to come!
The free service is put in place to make sure the bike you have purchased is running correctly and to adjust out any cable stretch that happens to any new bike.
The type of bike you have bought and the type of riding you have planned will affect how soon you need to book your free service.
However if you experience any issues at any time you should stop riding your bike and book your bike in for its free service immediately.
ANY BIKE PURCHASED IN WHEELWORX COMES WITH A LIFETIME FREE SERVICE

The 2026 Precaliber 20 7-speed 20" WHEEL LITHIUM GREY is available at the following locations.
The item will be transferred to the location you choose during checkout.
If the item is not currently available to view at your desired location, please call your nearest store to arrange for it to be transferred.
Trek's 2024 Precaliber 20 7-Speed is a robust and versatile children's bike, designed for young explorers eager to pedal their way through new adventures. The lightweight aluminium frame allows for easy handling, while the 7-speed drivetrain offers an impressive range for various terrains.
Designed for kids who love the outdoors, this bike features a front suspension fork that effectively absorbs bumps on both roads and trails. The hand brakes are ideally sized to fit smaller riders, ensuring safe and secure rides.
With a quick twist of the shift, riders can seamlessly switch gear to adapt to their changing environment. This bike also includes an integrated handle underneath the saddle - perfect for guiding your child as they learn to ride independently.
The longevity and durability of this children's bike is a stand-out feature. Built to survive, the 2024 Precaliber 20 7-Speed could easily become a cherished hand-me-down for younger family members.
The added bonus of the bike is its clever design. The low frame makes it easier for children to hop on and off, while still promising a fun ride. With the option to replace the saddle's handle with an integrated light mount, your child's visibility during family adventures or solo rides is significantly improved.
Simply put, investing in a bike from an acclaimed brand like Trek will provide your child with an exceptionally designed piece of kit that's built to last.
Key Features:
- Integrated Handle: A hidden guide under the saddle which allows for easy assistance when needed.
- Front Suspension Fork: Absorbs the rough terrain to ensure smoother rides.
- Upgradable Pedals: For those looking to customise their ride, we recommend considering flat pedals for effortless versatility.
| Frame | Size 20" wheel, Alpha Silver Aluminium, 20" kids' frame size |
| Fork | Kids' suspension, threadless steerer, 35 mm travel Kids' suspension, threadless steerer, 35mm travel |
| Wheel Size | Front 20 / Rear 20 |
| Wheels | Alloy 20", 32-hole, Schrader valve Steel, 100 mm bolt-on Steel, 26T |
| Tyres | Bontrager XR1, wire bead, 27 tpi, 20x2.25" |
| Shifter | Shimano Tourney RS45, 7 speed twist Shimano Tourney RS45, 7 speed twist |
| Rear Derailleur | Shimano Tourney TY300 |
| Crank | ProWheel alloy, 32T steel ring w/double guard, 127 mm length Square taper, 68 mm, sealed cartridge |
| Cassette | SunRun freewheel, 14-28, 7-speed, |
| Chain | KMC Z7, 7-speed |
| Pedals | Kids' Satellite, 9/16 thread |
| Front Brake | Alloy linear-pull // Alloy linear-pull Alloy linear-pull // Alloy linear-pull Kids', alloy |
| Rear Brake | Alloy linear-pull // Alloy linear-pull Alloy linear-pull // Alloy linear-pull Kids', alloy |
| Handlebar | Kids' steel, 25.4 mm clamp, 40 mm rise, 560 mm width |
| Grips | Kids' grip, 130mm width |
| Stem | Bontrager Approved alloy, 25.4 mm clamp, 15-degree rise, 60 mm |
| Headset | Adjustable ball bearing, threadless |
| Saddle | Kids' padded, integrated seat post, with handle |
| Weight | 10.71 kg |
| Colours | LITHIUM GREY, PURPLE ABYSS, VIPER RED |
| Sizes | 20" WHEEL |
| Brand | Trek |
| Model Year | 2026 |
| Barcodes | 768682614525, 768682614549, 768682614662, 768682614747 |
| SKUs / Part Numbers | 5271599, 5271600, 5271601, 5271602 |