2021 Specialized Rockhopper Expert vs 2019 Trek X-Caliber Frameset
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Trek X-Caliber Frameset
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- −93 mm
- Shorter: quicker to change direction
- Head angle
- n/a
- One of the bikes has no number for this
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Specialized Rockhopper Expert numbers we have for size XXL are missing the reach, stack, head angle, seat angle and chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Rockhopper Expert XXL | Trek X-Caliber Frameset M | Difference |
|---|---|---|---|
| Reach | not listed | 416 | |
| Stack | not listed | 600 | |
| Head tube angle | not listed | 69.3° | |
| Seat tube angle | not listed | not listed | |
| Chainstay length | not listed | 438 | |
| Wheelbase | 1203mm | 1110 | −93 mm |
| Standover | 853mm | 743 | −110 mm |
| Seat tube length | 560mm | 419 | −141 mm |
| Fork length | 515mm | not listed | |
| Head tube length | 135mm | 90 | −45 mm |
| Effective top tube | not listed | 598 | |
| BB drop | not listed | 58 | |
| BB height | not listed | 316 |
Differences are the Trek X-Caliber Frameset minus the Specialized Rockhopper Expert. Full charts: 2021 Specialized Rockhopper Expert, 2019 Trek X-Caliber Frameset.
Where each sits in its class
Specialized Rockhopper ExpertTrek X-Caliber Frameset
Each bike is ranked against the other XC 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 | Specialized Rockhopper ExpertExpert | Trek X-Caliber FramesetX-Caliber Frameset |
|---|---|---|
| Frame | Specialized A1 premium butted | Trek Alpha Gold |
| Fork | RockShox Judy | not listed |
| Shifter | SRAM SX Eagle | not listed |
| Derailleur | SRAM SX Eagle | not listed |
| Cassette | SRAM SX Eagle | not listed |
| Chain | SRAM SX Eagle | not listed |
| Crankset | SRAM SX Eagle | not listed |
| Bottom bracket | SRAM PowerSpline | not listed |
| Wheelset | e*thirteen SL | not listed |
| Tire | Specialized Ground Control | not listed |
| Hub | Shimano HB-RM35, Shimano FH-RM35 | not listed |
| Rim | Specialized hookless | not listed |
| Brake | Shimano MT200 | not listed |
| Rotor | Shimano MT200 | not listed |
| Handlebar | Specialized alloy | not listed |
| Stem | Specialized Stout | not listed |
| Grips | Specialized Trail | not listed |
| Saddle | Specialized Bridge Sport | not listed |
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