2027 Trek Domane SLR No. Gen 5 vs 2026 Giant Contend AR
The M is the Giant Contend AR size closest to your L Trek Domane SLR No. Gen 5. 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 Giant Contend AR
Compared with the Trek Domane SLR No. Gen 5 in L, the Giant Contend AR in M places the top of the head tube 23 mm lower and 3 mm further forward, relative to the bottom bracket. Its wheelbase is 4 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −23 mm
- Lower front end
- Frame reach
- +3 mm
- Longer frame reach
- Wheelbase
- −4 mm
- Shorter: quicker to change direction
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +2 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Domane SLR No. Gen 5 numbers we have for size L are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane SLR No. Gen 5 L | Giant Contend AR M | Difference |
|---|---|---|---|
| Reach | 380 | 383 | +3 mm |
| Stack | 618 | 595 | −23 mm |
| Head tube angle | 72.0° | 72.5 | +0.5° |
| Effective top tube | 562 | 565 | +3 mm |
| Chainstay length | 420 | 422 | +2 mm |
| Wheelbase | 1019 | 1015 | −4 mm |
| BB drop | 78 | 80 | +2 mm |
| Standover | 826 | 810 | −16 mm |
| Seat tube length | 553 | 535 | −18 mm |
| Head tube length | 192 | not listed | |
| Seat tube angle | not listed | 73.0 |
Differences are the Giant Contend AR minus the Trek Domane SLR No. Gen 5. Full charts: 2027 Trek Domane SLR No. Gen 5, 2026 Giant Contend AR.
Where each sits in its class
Trek Domane SLR No. Gen 5Giant Contend AR
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 Domane SLR No. Gen 5SLR 9 AXS No. 76 Gen 5 | Giant Contend ARAR 1 |
|---|---|---|
| Frame | Trek Domane SLR | Giant Contend |
| Fork | Trek Domane SLR | Giant Advanced-Grade Composite, full-composite OverDrive steerer, 12x100mm thru-axle, disc |
| Shifter | SRAM RED AXS E1 | Shimano 105 Di2 |
| Derailleur | SRAM RED AXS E1 | Shimano 105 Di2 |
| Cassette | SRAM RED XG-1290 E1 | Shimano 105 |
| Chain | SRAM E1 Red | KMC X12L-1 |
| Crankset | SRAM E1 RED AXS | Shimano 105 |
| Bottom bracket | SRAM DUB | Shimano BB-RS501 |
| Battery | SRAM AXS | not listed |
| Wheelset | Bontrager Aeolus RSL 37 | Giant P-R2 Disc |
| Tire | Bontrager Kwaremont | Giant Gavia Fondo 2 |
| Rotor | SRAM Paceline | Giant MPH |
| Handlebar | Bontrager Pro Riser | Giant D-Fuse SL |
| Stem | Trek RCS | Giant Contact |
| Seatpost | Bontrager RSL | Giant D-Fuse |
| Saddle | Trek Aeolus RSL | Giant Approach |
| Brake | not listed | Shimano 105 Di2 |
| Grips | not listed | Velo Cork tape with gel |
| Headset | not listed | Giant OverDrive |
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