2021 Giant XTC Jr 20 vs 2019 Trek Precaliber Boy's
The 16" is the Trek Precaliber Boy's size closest to your One Size Giant XTC Jr 20. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Trek Precaliber Boy's
Compared with the Giant XTC Jr 20 in One Size, the Trek Precaliber Boy's in 16" places the top of the head tube 51 mm lower and 48 mm further back, relative to the bottom bracket. Its wheelbase is 167 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −51 mm
- Lower front end
- Frame reach
- −48 mm
- Shorter frame reach
- Wheelbase
- −167 mm
- Shorter: quicker to change direction
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Giant XTC Jr 20 is drawn. The Trek Precaliber Boy's numbers we have for size 16" are missing the seat angle and chainstay length.
Geometry side by side
| Measurement | Giant XTC Jr 20 One Size | Trek Precaliber Boy's 16" | Difference |
|---|---|---|---|
| Reach | 323 | 275 | −48 mm |
| Stack | 393 | 342 | −51 mm |
| Head tube angle | 69.0° | 70.0° | +1.0° |
| Seat tube angle | 72.0° | not listed | |
| Chainstay length | 375 | not listed | |
| Wheelbase | 889 | 722 | −167 mm |
| Standover | 524 | 389 | −135 mm |
| Seat tube length | 254 | 205 | −49 mm |
| Head tube length | 120 | 85 | −35 mm |
| Effective top tube | not listed | 400 | |
| BB drop | not listed | 10 |
Differences are the Trek Precaliber Boy's minus the Giant XTC Jr 20. Full charts: 2021 Giant XTC Jr 20, 2019 Trek Precaliber Boy's.
Where each sits in its class
Giant XTC Jr 20Trek Precaliber Boy's
Each bike is ranked against the other kids bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Giant XTC Jr 20XTC Jr 20 | Trek Precaliber Boy's12 Boy's |
|---|---|---|
| Fork | Giant HL | Trek Dialed 12 |
| Shifter | Shimano RevoShifter | not listed |
| Derailleur | Shimano Tourney | not listed |
| Chain | KMC HV500 | Trek HV410 |
| Wheelset | Giant Kids 20 | not listed |
| Tire | Giant Junior Sport | not listed |
| Handlebar | Giant Sport | Trek Dialed 12 |
| Saddle | Giant Jr. Sports | Trek Dialed 12 |
| Frame | not listed | Trek Dialed |
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