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In light lavender mauve, the Trek Precaliber 20 7-speed brings together everything needed to progress: Alpha Silver aluminium frame, seven Shimano Tourney gears, a 35 mm suspension fork and two linear-pull brakes. It weighs 10.90 kg according to Trek. Trek recommends it for children from 114 to 132 cm, aged 5 to 8.
| Frame | Alpha Silver aluminium, 20-inch kids' size |
| Fork | Kids' suspension fork, 35 mm of travel |
| Drivetrain | Shimano Tourney TY300, 7-speed SunRun 14-28 freewheel, 32-tooth ProWheel 127 mm chainset, KMC Z7 chain |
| Brakes | Two alloy linear-pull rim brakes |
| Wheels / tyres | 20-inch alloy rims, 32 spokes / Bontrager XR1 20 x 2.25-inch |
| Cockpit | 560 mm steel handlebar, 40 mm rise, 60 mm Bontrager stem, 130 mm grips |
| Saddle / seatpost | Padded saddle with integrated seatpost and handle |
| Equipment | Kickstand, kids' satellite pedals |
| Weight | 10.90 kg, one size (Trek figure) |
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At a glance
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For the child who has gained confidence on a bike without gears and now wants to explore further, on cycle paths, tracks and quiet country lanes. It also suits a 5-year-old who is tall for their age and already at ease on two wheels.
An Alpha Silver frame that takes gears and suspension. On a 20-inch Alpha Silver aluminium base, Trek fits a suspension fork with 35 mm of travel, a Shimano Tourney TY300 derailleur and a seven-sprocket SunRun 14-28 freewheel. The linear-pull brakes and kickstand remain standard: this is a more complete Precaliber, designed to leave the tarmac behind.
| Precaliber 20 Freewheel | Precaliber 20 7-speed | Wahoo 20 Trail | |
| Stage | No gears | Gears and suspension | Trail bike |
| Frame / fork | Alpha Silver alloy / steel | Alpha Silver alloy / 35 mm fork | Alpha Silver alloy / rigid fork |
| Reference bike | 9.45 kg, 114 to 132 cm | 10.90 kg, 114 to 132 cm | 9.85 kg, 114 to 132 cm |
| What it means | Simple and light | Climbs better, soaks up bumps | Hydraulic disc brakes |
In other words: 10.90 kg, seven gears, a fork that smooths out tracks and two hand brakes. The Precaliber for the 5 to 8 year old who wants to follow the grown-ups beyond the park.
The Shimano Tourney TY300 derailleur is designed for leisure bikes: robust, simple to adjust and tolerant of slightly clumsy gear changes. That is exactly what is needed for a child who is learning, and who will sometimes forget to ease off when shifting gear.
The Alpha Silver frame comes with a 35 mm suspension fork, 20-inch wheels and 2.25-inch Bontrager XR1 tyres. This package lets your child ride the easy trails in the hills around Béziers, as long as they adapt their speed to the terrain and keep their helmet securely fastened.
| Model | Wheels | Child's height | Gears / brakes | Weight |
| Precaliber 20 Freewheel | 20 in | 114 to 132 cm | 1 speed, 2 V-brakes | 9.45 kg |
| Precaliber 20 7-speed | 20 in | 114 to 132 cm | 7 speeds, 2 V-brakes, 35 mm fork | 10.90 kg |
| Wahoo 20 Path | 20 in | 114 to 132 cm | 8-speed microSHIFT, 2 V-brakes | 8.75 kg |
| Wahoo 20 Trail | 20 in | 114 to 132 cm | 9-speed microSHIFT, hydraulic discs | 9.85 kg |
Our take: the Precaliber 20 7-speed weighs 10.90 kg, compared with 9.45 kg for the Freewheel without gears. For a 5-year-old who is just starting out, the Freewheel is simpler; for a confident child, the 7 speeds open up new terrain.
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LVR sizing advice Trek recommends this 20-inch bike from 114 to 132 cm, or ages 5 to 8 according to its data. A child at the bottom of the range benefits from keeping the saddle low for the first few weeks, then raising it as they progress. Come and try it with them at our Béziers shop.
Source: Trek size guide. Bike fitting available in our Béziers shop. |
| Is the derailleur fragile? | The Tourney is robust; an adjustment in the workshop after a fall is often all it needs. |
| Can it go on trails? | Yes, on easy trails, thanks to the 35 mm fork. |
| What is the difference with the Freewheel? | The gears and the suspension fork, for 1.45 kg more. |
| Is the mauve light? | Yes, a light, bright lavender mauve. |
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The LVR Cycles verdict A complete Precaliber 20 for making progress, with its robust derailleur and suspension fork. Its light lavender mauve is soft and cheerful.
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Why buy from LVR Cycles? In Béziers, we adjust the derailleur after minor falls, check the brakes and raise the saddle as your child grows.
Data sheet
Specific References