2019 Trek Precaliber Girl's vs 2021 Giant XTC Jr 20
The One Size is the Giant XTC Jr 20 size closest to your 24" Trek Precaliber Girl's. 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 Giant XTC Jr 20
Compared with the Trek Precaliber Girl's in 24", the Giant XTC Jr 20 in One Size places the top of the head tube 22 mm higher and 164 mm further back, relative to the bottom bracket. Its wheelbase is 100 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +22 mm
- Higher front end
- Frame reach
- −164 mm
- Shorter frame reach
- Wheelbase
- −100 mm
- Shorter: quicker to change direction
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- −34 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Precaliber Girl's numbers we have for size 24" are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Precaliber Girl's 24" | Giant XTC Jr 20 One Size | Difference |
|---|---|---|---|
| Reach | 487 | 323 | −164 mm |
| Stack | 371 | 393 | +22 mm |
| Head tube angle | 70.0° | 69.0° | −1.0° |
| Effective top tube | 529 | not listed | |
| Chainstay length | 409 | 375 | −34 mm |
| Wheelbase | 989 | 889 | −100 mm |
| BB drop | 38 | not listed | |
| Standover | 612 | 524 | −88 mm |
| Seat tube length | 290 | 254 | −36 mm |
| Head tube length | 105 | 120 | +15 mm |
| Seat tube angle | not listed | 72.0° |
Differences are the Giant XTC Jr 20 minus the Trek Precaliber Girl's. Full charts: 2019 Trek Precaliber Girl's, 2021 Giant XTC Jr 20.
Where each sits in its class
Trek Precaliber Girl'sGiant XTC Jr 20
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 | Trek Precaliber Girl's12 Girl's | Giant XTC Jr 20XTC Jr 20 |
|---|---|---|
| Frame | Trek Dialed | not listed |
| Fork | Trek Dialed 12 | Giant HL |
| Chain | Trek HV410 | KMC HV500 |
| Handlebar | Trek Dialed 12 | Giant Sport |
| Saddle | Trek Dialed 12 | Giant Jr. Sports |
| Shifter | not listed | Shimano RevoShifter |
| Derailleur | not listed | Shimano Tourney |
| Wheelset | not listed | Giant Kids 20 |
| Tire | not listed | Giant Junior Sport |
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