New arrival
Trek Precaliber 20"
By Trek
$359.99
Unit price
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SKU: 5349458 // Barcode:
Expected Ship Date: Mon Jul 27
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Precaliber 20 Coaster Brake 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 training wheels. 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 ages 6-8, between 45-52˝ tall.
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Integrated handle
Hidden handle under the saddle helps you guide your child while they learn to ride.
A better way to produce aluminum
Starting in 2024, we began removing high-emission aluminum from our manufacturing and replacing it with low-emission aluminum 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.
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.
| Frame | Alpha Silver Aluminum, 20'' kids' frame size |
| Fork | Kid's steel fork |
| Tire | Bontrager XR1, wire bead, 27 tpi., 20x2.25'' |
| Hub Front | Steel, 100mm, nutted axle |
| Hub Rear | Coaster brake, 19T, 120mm bolt-on |
| Rim | Alloy 20'', 32-hole, schrader valve |
| Crank | ProWheel alloy, 32T steel ring w/double guard, 127mm length |
| Bottom Bracket | Square taper, 68mm, sealed cartridge |
| Chain | HV410, 1/2x1/8 |
| Brake | Alloy linear-pull |
| Brake Lever | Kids', alloy |
| Pedal | Kids' Satellite, 9/16 thread |
| Saddle | Kids' padded, integrated seatpost, with handle |
| Handlebar | Kids' steel, 25.4mm clamp, 40mm rise, 560mm width |
| Stem | Bontrager Approved alloy, 25.4mm clamp, 15 degree rise, 60mm |
| Headset | Adjustable ball bearing, threadless |
| Grips | Kids' grip, 107mm width |
Geometry Chart
| B B Drop | 3 |
| B B Height | 23.8 |
| Chainstay Length | 37.2 |
| Eff Top Tube | 44.5 |
| Frame Reach | 31.2 |
| Frame Size Number | 20 |
| Frame Stack | 40.6 |
| Head Angle | 70.0° |
| Head Tube Length | 8.5 |
| Offset | 4.2 |
| Seat Tube | 25.5 |
| Seat Tube Angle | 72.0° |
| Standover | 47.6 |
| Trail | 5.3 |
| Wheelbase | 86.5 |
| Wheel Size | 20" kids' |
Trek Precaliber 20"