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              • Kids Bikes
              • Precalibre 20
              Trek

              Precalibre 20

              Description

              Delivery and returns
              • Description
              • The Precaliber 20 7-Speed is a versatile kids' bike for young adventurers. It has a lightweight frame and quality components like a front suspension fork, 7-speed gearing and hand brakes that are perfectly sized to better fit small riders. For kids aged 5-8, between 114 - 132 cm (45-52˝) tall.

                 

                Integrated handle

                Hidden handle under the saddle helps you guide your child while they learn to ride.

                Suspension fork

                Front suspension absorbs the bumps of the road, path and trail, and looks cool while doing it.

                A better way to produce aluminium

                Starting in 2024, we began removing high-emission aluminium from our manufacturing and replacing it with low-emission aluminium made with renewable energy. By October 2025, nearly every alloy bike we make – this one included – had made the switch, driving a major drop in our footprint.

                What is low-emission aluminium?

                Upgrade your pedals and love your bike more

                Pedals are two of the five touchpoints that connect you with your bike, and even though this bike comes with a pair, upgrading to pedals that boost control and grip will greatly improve your ride. See the pedal guide and find the best pedals for your riding style. We recommend flat pedals for simple versatility.

                See the guide

                Specifications

                *Please note – spec applies to all sizes unless listed separately

                Frameset

                Frame

                Alpha Silver Aluminium, 20" kids' frame size

                Fork

                Kids' suspension, threadless steerer, 35 mm travel

                Wheels

                Hub front

                Steel, 100 mm bolt-on

                Hub rear

                Steel, 26T

                Rim

                Alloy 20", 32-hole, Schrader valve

                Tyre

                Bontrager XR1, wire bead, 27 tpi, 20x2.25"

                Max tyre size

                20x2.25"

                Drivetrain

                Shifter

                Shimano Tourney RS45, 7 speed twist

                Rear derailleur

                Shimano Tourney TY300

                Crank

                ProWheel alloy, 32T steel ring w/double guard, 127 mm length

                Bottom bracket

                Square taper, 68 mm, sealed cartridge

                Cassette

                SunRun freewheel, 14-28, 7-speed,

                Chain

                KMC Z7, 7-speed

                Pedal

                Kids' Satellite, 9/16 thread

                Max. chainring size

                1x: 30T

                Components

                Saddle

                Kids' padded, integrated seat post, with handle

                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

                Head set

                Adjustable ball bearing, threadless

                Brake

                Alloy linear-pull

                Brake lever

                Kids', alloy

                Accessories

                Kickstand

                Kickstand

                Weight

                Weight

                10.71 kg/23.62 lb

                Weight limit

                This bike has a maximum total weight limit (combined weight of bicycle, rider,and cargo) of 36 kg (80 lb).

                 

              • Delivery and returns
              • For full information on our delivery and returns policy click here.

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