2013 Trek Superfly AL Pro vs 2015 Trek X-Caliber
The Trek X-Caliber size closest to your 19" is the ML. Compare the ML instead
What changes on the Trek X-Caliber
Compared with the Trek Superfly AL Pro in 19", the Trek X-Caliber in L places the top of the head tube 25 mm lower and 11 mm further forward, relative to the bottom bracket. Its wheelbase is 5 mm longer, which can contribute to stability at speed.
- Frame stack
- −25 mm
- Lower front end
- Frame reach
- +11 mm
- Longer frame reach
- Wheelbase
- +5 mm
- Longer: steadier at speed
- Head angle
- −1.4°
- Slacker: calmer steering
- Chainstays
- −7 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Superfly AL Pro numbers we have for size 19" are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Superfly AL Pro 19" | Trek X-Caliber L | Difference |
|---|---|---|---|
| Reach | 433 | 444 | +11 mm |
| Stack | 626 | 601 | −25 mm |
| Head tube angle | 71° | 69.6° | −1.4° |
| Effective top tube | 617 | 639 | +22 mm |
| Chainstay length | 452 | 445 | −7 mm |
| Wheelbase | 1139 | 1144 | +5 mm |
| BB height | 325 | 316 | −9 mm |
| Standover | 788 | 789 | +1 mm |
| Seat tube length | 483 | 470 | −13 mm |
| Head tube length | 125 | 100 | −25 mm |
| Seat tube angle | not listed | 72.0° | |
| BB drop | not listed | 53 |
Differences are the Trek X-Caliber minus the Trek Superfly AL Pro. Full charts: 2013 Trek Superfly AL Pro, 2015 Trek X-Caliber.
Where each sits in its class
Trek Superfly AL ProTrek X-Caliber
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 Superfly AL Pro100 AL Pro | Trek X-Caliber6 |
|---|---|---|
| Frame | Trek Alpha Platinum | Trek Alpha Gold |
| Fork | Fox Evolution | SR Suntour XCM |
| Shifter | Shimano Deore XT | SRAM X4 |
| Derailleur | Shimano Deore XT, Shimano Deore XT Shadow | SRAM X4 |
| Cassette | Shimano SLX | SRAM PG920 |
| Crankset | Shimano Deore XT | Shimano Acera M371 |
| Wheelset | Trek Bontrger | not listed |
| Tire | Bontrager Team Issue | Bontrager XR1 |
| Brake | Shimano Deore XT | Shimano Acera M355 |
| Headset | FSA NO.57E | not listed |
| Seatpost | Bontrager Rhythm Elite | Bontrager SSR |
| Saddle | Bontrager Evoke 3 | Bontrager Evoke 1.5 |
| Chain | not listed | KMC X9 |
| Hub | not listed | Formula DC20, Formula DC22 |
| Rim | not listed | Bontrager AT-650 |
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