The 2021 Trek Precaliber 20 7-speed Boy's is a 20″ aluminum frame general youth bike with modest components and rim brakes.
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1 × 7 — 7 speed
The Precaliber 20 7-speed Boy's is easier to ride up hills than similar bikes.
The Precaliber 20 7-speed Boy's won‘t keep up with similar bikes while riding downhill or sprinting.
|Frame||Alpha Silver Aluminum, 20'' kids' frame size|
|Fork||Kids' suspension, 35mm travel|
|Bottom Bracket||Square taper, 68mm|
|Headset||Adjustable ball bearing, threadless|
|Stem||Bontrager Approved alloy, 25.4mm clamp, 15 degree rise, 60mm|
|Handlebar||Kids' steel, 25.4mm clamp, 40mm rise, 560mm width|
|Saddle||Kids' padded, integrated seatpost, with handle|
|Grips||Kids' grip, 125mm width|
|Rear Derailleur||Shimano Tourney TY300, long cage, 34T max cog|
|Crank||ProWheel alloy, 32T steel ring w/double guard, 127mm length|
|Shifters||Shimano Tourney RS45, 7 speed twist|
|Cassette||SunRun freewheel, 14-28, 7 speed,|
|Chain||KMC Z7, 7 speed|
|Brake Levers||Kids', alloy|
|Rims||Alloy 20'', 32-hole, schrader valve|
|Spokes||14g stainless steel|
|Front Hub||Alloy, 100mm bolt-on|
|Rear Hub||Alloy, 8-speed, 130mm bolt-on|
|Tires||Bontrager XR1, wire bead, 27 tpi. 20x2.25''|