Trek Precaliber 20" 7-Speed
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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 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 | Kids' suspension, threadless steerer, 35mm travel |
| Tire | Bontrager XR1, wire bead, 27 tpi., 20x2.25'' |
| Hub Front | Steel, 100mm bolt-on |
| Hub Rear | Steel, 26T |
| Rim | Alloy 20'', 32-hole, schrader valve |
| Shifter | Shimano RV300, 7 speed twist |
| Rear Derailleur | Shimano Tourney TY300 |
| Crank | ProWheel alloy, 32T steel ring w/double guard, 127mm length |
| Bottom Bracket | Square taper, 68mm, sealed cartridge |
| Cassette | SunRun freewheel, 14-28, 7 speed |
| Chain | KMC Z7, 7 speed |
| Brake | Alloy linear-pull // 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 grips, 130mm width |
Geometry Chart
| B B Drop | 3 |
| B B Height | 23.8 |
| Chainstay Length | 37.2 |
| Eff Top Tube | 44.5 |
| Frame Reach | 30.2 |
| Frame Size Number | 20 |
| Frame Stack | 44.1 |
| Head Angle | 70.0° |
| Head Tube Length | 8.5 |
| Offset | 4.2 |
| Seat Tube | 25.5 |
| Seat Tube Angle | 72.0° |
| Standover | 49.1 |
| Trail | 5.9 |
| Wheelbase | 86 |
| Wheel Size | 20" kids' |
| Size | 20" WHEEL |