2026 Specialized Roubaix SL8 Pro 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
- +42 mm
- Higher front end
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- +19 mm
- Longer: steadier at speed
- Head angle
- +1.7°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Specialized Roubaix SL8 Pro numbers we have for size 49 are missing the reach. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Roubaix SL8 Pro 49 | Giant Contend AR ML | Difference |
|---|---|---|---|
| Reach | not listed | not listed | |
| Stack | 549 | 591 | +42 mm |
| Head tube angle | 70.8 | 72.5 | +1.7° |
| Seat tube angle | 74 | 73 | −1.0° |
| Effective top tube | 523 | 561 | +38 mm |
| Chainstay length | 418 | 418 | ±0 mm |
| Wheelbase | 992 | 1011 | +19 mm |
| BB drop | 80 | 80 | ±0 mm |
| BB height | 269 | 256 | −13 mm |
| Standover | 719 | 806 | +87 mm |
| Seat tube length | 410 | 535 | +125 mm |
| Fork length | 375 | not listed | |
| Head tube length | 90 | 170 | +80 mm |
Differences are the Giant Contend AR minus the Specialized Roubaix SL8 Pro. Full charts: 2026 Specialized Roubaix SL8 Pro, 2024 Giant Contend AR.
Where each sits in its class
Specialized Roubaix SL8 ProGiant 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 | Specialized Roubaix SL8 ProSL8 Pro | Giant Contend ARAR 1 |
|---|---|---|
| Frame | Specialized Roubaix | Giant Contend |
| Fork | Specialized Future Shock 3.3 | Giant OverDrive |
| Shifter | SRAM Force AXS E1 HRD | Shimano 105 Di2 |
| Derailleur | SRAM Force AXS E1, SRAM Force AXS | Shimano 105 Di2 |
| Cassette | SRAM Force XG-1270 E1 | Shimano 105 |
| Chain | SRAM Force E1 | KMC X12L-1 |
| Crankset | SRAM Force E1 Power Meter | Shimano FC-RS520 |
| Bottom bracket | SRAM DUB | not listed |
| Wheelset | Roval Rapide CL | Giant P-R2 Disc |
| Tire | Specialized Mondo TLR Endurance | Giant Gavia Fondo 2 |
| Brake | SRAM Force AXS E1, SRAM Force E1 | Shimano 105 Di2 |
| Handlebar | Roval Alpinist | Giant D-Fuse SL |
| Stem | Specialized Pro SL | Giant Contact |
| Grips | Supacaz Super Sticky Kush | not listed |
| Seatpost | Specialized S-Works Pave | Giant D-Fuse |
| Saddle | Specialized Power Pro Mirror | Giant Approach |
| Chainring | not listed | Shimano FC-RS520 |
| Rotor | not listed | Giant MPH |
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