2027 Trek Procaliber vs 2026 Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate Frameset
The M is the Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate Frameset size closest to your ML Trek Procaliber. 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 Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate Frameset
Compared with the Trek Procaliber in ML, the Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate Frameset in M places the top of the head tube 14 mm lower and 5 mm further back, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −14 mm
- Lower front end
- Frame reach
- −5 mm
- Shorter frame reach
- Wheelbase
- −5 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Trek Procaliber, MLSpecialized Epic World Cup RockShox SIDLuxe WCID Ultimate Frameset, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Procaliber ML | Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate Frameset M | Difference |
|---|---|---|---|
| Reach | 445 | 440mm | −5 mm |
| Stack | 614 | 600mm | −14 mm |
| Head tube angle | 67.0° | 66.5° | −0.5° |
| Seat tube angle | 74.3° | 74.5° | +0.2° |
| Effective top tube | 613 | 612mm | −1 mm |
| Chainstay length | 435 | 430mm | −5 mm |
| Wheelbase | 1155 | 1150mm | −5 mm |
| BB drop | 64 | 57mm | −7 mm |
| BB height | 309 | 313mm | +4 mm |
| Standover | 758 | 764mm | +6 mm |
| Seat tube length | 440 | 410mm | −30 mm |
| Head tube length | 90 | 95mm | +5 mm |
| Fork length | not listed | 516mm |
Differences are the Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate Frameset minus the Trek Procaliber. Full charts: 2027 Trek Procaliber, 2026 Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate Frameset.
Where each sits in its class
Trek ProcaliberSpecialized Epic World Cup RockShox SIDLuxe WCID Ultimate 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 | Trek Procaliber6 | Specialized Epic World Cup RockShox SIDLuxe WCID Ultimate FramesetS-Works - RockShox SIDLuxe WCID Ultimate Frameset |
|---|---|---|
| Fork | RockShox Judy | not listed |
| Shifter | Shimano Deore M6200 | not listed |
| Derailleur | Shimano Deore M6200 | not listed |
| Cassette | Shimano Deore M6200 | not listed |
| Chain | Shimano Deore M6100 | not listed |
| Crankset | Shimano MT520 | not listed |
| Bottom bracket | Shimano MT501 | not listed |
| Tire | Bontrager Sainte-Anne Pro XR | not listed |
| Hub | Shimano TC500 | not listed |
| Rim | Bontrager Kovee | not listed |
| Rotor | Shimano SM-RT10 | not listed |
| Grips | Trek Line | not listed |
| Seatpost | TranzX JD-YSI34 | Roval Control SL |
| Saddle | Trek Verse | not listed |
| Rear shock | not listed | RockShox SIDLuxe WCID Ultimate |
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