2025 Trek Speed Concept SLR vs 2024 Giant Contend AR
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Giant Contend AR
- Frame stack
- +50 mm
- Higher front end
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- −9 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- +8 mm
- Longer: more planted
The two frames
We can't draw these frames yet. The Trek Speed Concept SLR numbers we have for size L are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Speed Concept SLR L | Giant Contend AR ML | Difference |
|---|---|---|---|
| Reach | 426 | not listed | |
| Stack | 541 | 591 | +50 mm |
| Head tube angle | 72.5° | 72.5 | ±0.0° |
| Effective top tube | 541 | 561 | +20 mm |
| Chainstay length | 410 | 418 | +8 mm |
| Wheelbase | 1020 | 1011 | −9 mm |
| BB drop | 80 | 80 | ±0 mm |
| Standover | 808 | 806 | −2 mm |
| Seat tube length | 549 | 535 | −14 mm |
| Head tube length | 115 | 170 | +55 mm |
| Seat tube angle | not listed | 73 | |
| BB height | not listed | 256 |
Differences are the Giant Contend AR minus the Trek Speed Concept SLR. Full charts: 2025 Trek Speed Concept SLR, 2024 Giant Contend AR.
Where each sits in its class
Trek Speed Concept SLRGiant Contend AR
AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted
Each bike is ranked against the other road 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 Speed Concept SLRSLR 7 | Giant Contend ARAR 1 |
|---|---|---|
| Frame | Trek OCLV | Giant Contend |
| Fork | Trek SC | Giant OverDrive |
| Shifter | Shimano Dura-Ace R9180 | Shimano 105 Di2 |
| Derailleur | Shimano Ultegra Di2, Shimano Ultegra R8150 Di2 | Shimano 105 Di2 |
| Cassette | Shimano Ultegra R8100 | Shimano 105 |
| Chain | Shimano XT M8100 | KMC X12L-1 |
| Crankset | Shimano Ultegra R8100 | Shimano FC-RS520 |
| Chainring | Shimano Ultegra R8100, Shimano Ultegra | Shimano FC-RS520 |
| Bottom bracket | Praxis T47 | not listed |
| Wheelset | Bontrager Aeolus Pro 51 | Giant P-R2 Disc |
| Tire | Bontrager R3 | Giant Gavia Fondo 2 |
| Brake | Shimano Dura-Ace | Shimano 105 Di2 |
| Rotor | Shimano DURA-ACE | Giant MPH |
| Handlebar | Trek Speed Concept | Giant D-Fuse SL |
| Bar tape | Bontrager Supertack Performance | not listed |
| Seatpost | Trek Speed Concept SLR | Giant D-Fuse |
| Saddle | Bontrager Hilo | Giant Approach |
| Stem | not listed | Giant Contact |
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