2025 Trek Roscoe Gen 4 vs 2027 Canyon Grand Canyon AL
The M is the Canyon Grand Canyon AL size closest to your M Trek Roscoe Gen 4. 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 Canyon Grand Canyon AL
Compared with the Trek Roscoe Gen 4 in M, the Canyon Grand Canyon AL in M places the top of the head tube 22 mm lower and 10 mm further forward, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −22 mm
- Lower front end
- Frame reach
- +10 mm
- Longer frame reach
- Wheelbase
- −5 mm
- Shorter: quicker to change direction
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Trek Roscoe Gen 4, MCanyon Grand Canyon AL, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Roscoe Gen 4 M | Canyon Grand Canyon AL M | Difference |
|---|---|---|---|
| Reach | 440 | 450 | +10 mm |
| Stack | 644 | 622 | −22 mm |
| Head tube angle | 65 | 66 | +1.0° |
| Seat tube angle | 73.1 | 74.3 | +1.2° |
| Effective top tube | 611 | 617 | +6 mm |
| Chainstay length | 430 | 435 | +5 mm |
| Wheelbase | 1186 | 1181 | −5 mm |
| BB drop | 61 | 65 | +4 mm |
| BB height | 311 | not listed | |
| Standover | 735 | 777 | +42 mm |
| Seat tube length | not listed | 420 | |
| Head tube length | 100 | 105 | +5 mm |
Differences are the Canyon Grand Canyon AL minus the Trek Roscoe Gen 4. Full charts: 2025 Trek Roscoe Gen 4, 2027 Canyon Grand Canyon AL.
Where each sits in its class
Trek Roscoe Gen 4Canyon Grand Canyon AL
Each bike is ranked against the other trail 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 Roscoe Gen 47 Gen 4 | Canyon Grand Canyon AL |
|---|---|---|
| Frame | Trek Alpha Platinum Aluminum | not listed |
| Fork | RockShox Recon Silver RL | not listed |
| Shifter | Shimano CUES U6000 | not listed |
| Derailleur | Shimano CUES U6000 GS | not listed |
| Cassette | Shimano CUES LG300 LINKGLIDE | not listed |
| Chain | Shimano LG500 | not listed |
| Crankset | Shimano CUES U6000 | not listed |
| Chainring | Shimano CUES | not listed |
| Bottom bracket | Shimano MT501 | not listed |
| Pedals | VP-536 | not listed |
| Wheelset | Shimano TC500 | not listed |
| Tire | Bontrager Gunnison Pro XR | not listed |
| Rim | Bontrager Line TLR 30 | not listed |
| Brake | Shimano MT200 | not listed |
| Rotor | Shimano SM-RT10 | not listed |
| Handlebar | Bontrager Comp Alloy | not listed |
| Stem | Bontrager Comp | not listed |
| Grips | Trek Line | not listed |
| Headset | FSA Orbit | not listed |
| Seatpost | TranzX JD-YSI34 | not listed |
| Saddle | Bontrager Verse P3 | not listed |
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