Add 30 days free insurance
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We stand behind the quality of our bikes with a comprehensive lifetime warranty on the frame and fork. This warranty covers any manufacturing defects and gives you peace of mind knowing your investment is protected.
What's covered:
Note: Warranty does not cover normal wear and tear, damage from accidents, or improper use.
Your bike arrives 85% pre-assembled by our expert technicians. Simple assembly required includes:
Most customers can complete assembly in 30-45 minutes with basic tools. Professional assembly service available for £35 if preferred.
Every bike purchase includes 10 days of free comprehensive insurance coverage from the moment it leaves our warehouse. This protection covers:
After the free period, you can extend coverage at competitive rates. Learn more about our insurance options.
The 2027 Precaliber 20" Freewheel 20" WHEEL MARIANAS BLUE 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.
The Precaliber 20 will have your little rider begging to go out for a pedal on their first real big kid bike. It's a great transition model from stabilisers. It has one speed, a coaster brake and a saddle with an integrated handle that can be swapped out for a light mount. For kids aged 6-8, between 129.5 - 149.8 cm (45-52?) tall.
Help them gain confidence
A hidden handle under the saddle helps you guide your child along while they gain confidence and learn to ride on two wheels.
Smaller grips for little hands
Smaller diameter grips make it easy for little hands to stay in control and navigate their next turn.
Linear pull brakes
Alloy linear pull brakes allow for quick adjustments and reliable stops.
Lightweight aluminum frame
All Trek kids' bikes are built with lightweight and easy-to-maneuver aluminum frames that are durable enough for whatever adventures lie ahead.
test
| Frame | Size 20" wheel, Alpha Silver Aluminium, 20" kids' frame size |
| Fork | Steel, 20", threadless 1-1/8" steerer Steel, 20'', threadless 1-1/8'' steerer |
| Wheel Size | Front 20 / Rear 20 |
| Wheels | Alloy 20", 32-hole, Schrader valve Steel, 100 mm, nutted axle Steel |
| Tyres | Bontrager XR1, wire bead, 27 tpi, 20x2.25" |
| Crank | ProWheel alloy, 32T steel ring w/double guard, 127 mm length Square taper, 68 mm, sealed cartridge |
| Cassette | Freewheel, 18T |
| Chain | HV410, 1/2x1/8 |
| 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, 107 mm 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 | 9.45 kg |
● in stock
