MSRP | $3,500 | $3,499 | $3,300 |
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Where to Buy | $3,500 At Specialized | $3,300 At Giant | |
Category | Endurance | Endurance | Endurance |
Weight | 20.0 lbs | 19.7 lbs | |
Carbon | Carbon | Carbon | |
Fork | Carbon | Carbon | Carbon |
Wheels | Aluminum | Aluminum | Aluminum |
Wheel Size | 700c | 700c | 700c |
Clearance | 38c | 38c | 38c |
Brakes | Hydraulic Disc | Hydraulic Disc | Hydraulic Disc |
Groupset | 105 | 105 | 105, Shimano |
Drivetrain | 2 × 12 | 2 × 11 | 2 × 12 |
Brand Site | |||
Summary | The Specialized Roubaix SL8 Sport 105, Trek Domane SL 5 Gen 4, and Giant Defy Advanced 2 are all carbon frame endurance bikes with upper mid-range components and hydraulic disc brakes. |
Based on frame geometry and build specs.
Frame | FACT 10R, Rider First Engineered™ (RFE), FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc BB Standard: BSA, 68mm, Threaded Tire Clearance: 38c Colors: Satin Metallic Sapphire / Blue Onyx; Satin Metallic Obsidian / Birch; Gloss Birch / White Mountains/abalone | 500 Series OCLV Carbon, IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, fender mounts, flat mount disc, 142x12mm thru axle BB Standard: BSA, 68mm, Threaded Tire Clearance: 38c Colors: Satin Metallic Sapphire / Blue Onyx; Satin Metallic Obsidian / Birch; Gloss Birch / White Mountains/abalone | Advanced-grade composite, disc BB Standard: BSA, 68mm, Threaded Tire Clearance: 38c Colors: Satin Metallic Sapphire / Blue Onyx; Satin Metallic Obsidian / Birch; Gloss Birch / White Mountains/abalone |
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Fork | Future Shock 3.1 w/ Smooth Boot, FACT Carbon 12x100mm, thru-axle, flat-mount disc | Domane SL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle | Advanced-grade composite, full-composite steerer, disc |
Shock | N/A | ||
Bottom Bracket | Shimano BSA | Praxis, T47 threaded, internal bearing | Shimano, press fit |
Stem | Future Stem Comp | Size: 44, Trek RCS Pro, -7 degree, 60mm length; Size: 47, Trek RCS Pro, -7 degree, 70mm length; Size: 50, Trek RCS Pro, -7 degree, 80mm length; Size: 52, 54, Trek RCS Pro, -7 degree, 90mm length; Size: 56, 58, Trek RCS Pro, -7 degree, 100mm length; Size: 60, 62, Trek RCS Pro, -7 degree, 110mm length | Giant Contact Aero Light XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm |
Handlebar | Specialized Hover Comp, Alloy, 125mm Drop, 75mm Reach w/Di2 Hole | Size: 44, 47, Bontrager Elite IsoZone VR-SF, alloy, 31.8mm, internal Di2 routing, 75mm reach, 128mm drop, 36cm width; Size: 50, Bontrager Elite IsoZone VR-SF, alloy, 31.8mm, internal Di2 routing, 75mm reach, 128mm drop, 38cm width; Size: 52, Bontrager Elite IsoZone VR-SF, alloy, 31.8mm, internal Di2 routing, 75mm reach, 128mm drop, 40cm width; Size: 54, 56, Bontrager Elite IsoZone VR-SF, alloy, 31.8mm, internal Di2 routing, 75mm reach, 128mm drop, 42cm width; Size: 58, 60, 62, Bontrager Elite IsoZone VR-SF, alloy, 31.8mm, internal Di2 routing, 75mm reach, 128mm drop, 44cm width | Giant Contact SL D-Fuse XS:40cm, S:40cm, M:42cm, M/L:42cm, L:44cm, XL:44cm |
Saddle | Body Geometry Power Sport, steel rails | Size: 44, 47, 50, 52, Bontrager Verse Short Comp, steel rails, 155mm width; Size: 54, 56, 58, 60, 62, Bontrager Verse Short Comp, steel rails, 145mm width | Giant Approach |
Seatpost | S-Works Pave Seat post | Size: 44, 47, 50, 52, 54, 56, KVF aero carbon seatpost, 20mm offset, 280mm length; Size: 58, 60, 62, KVF aero carbon seatpost, 20mm offset, 320mm length | Giant D-Fuse, composite, 14mm offset |
Pedals | PEDAL, TEST RIDE PEDALS PROVIDED BY SPECIALIZED | N/A | |
Grips | Stratus Lite 3.0 |
Rear Derailleur | Shimnao 105 R7100, 12-Speed | Shimano 105 R7000, long cage, 34T max cog | Shimano 105 |
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Front Derailleur | Shimano 105 R7100, braze-on | Shimano 105 R7000, braze-on | Shimano 105 |
Crank | Shimano 105, 12-Speed, 50/34T | Size: 44, 47, Shimano 105 R7000, 50/34 (compact), 165mm length; Size: 50, 52, Shimano 105 R7000, 50/34 (compact), 170mm length; Size: 54, 56, Shimano 105 R7000, 50/34 (compact), 172.5mm length; Size: 58, 60, 62, Shimano 105 R7000, 50/34 (compact), 175mm length | Shimano FC-RS520, 34/50 XS:170mm, S:170mm, M:172.5mm, M/L:172.5mm, L:175mm, XL:175mm |
Shifters | Shimano 105 R7120, Hydraulic Disc | Size: 44, 47, 50, 52, Shimano 105 R7025, short-reach lever, 11 speed; Size: 54, 56, 58, 60, 62, Shimano 105 R7020, 11 speed | Shimano 105 |
Cassette | Shimano 105, 12-speed, 11-36T | Shimano 105 HG700-11, 11-34, 11 speed | Shimano 105, 11x36 |
Chain | Shimano 105, 12-Speed | Shimano 105 HG601, 11 speed | KMC X12L-1 |
Brakes | Front: Shimano 105 Hydraulic Disc, Rear: Shimano 105 Hydraulic Disc | Shimano 105 hydraulic disc, flat mount | Shimano 105 hydraulic, Giant MPH rotors [F]160mm, [R]160mm |
Brake Levers | Shimano 105 |
Rims | Front: DT Swiss G540 rim, 24mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples, Rear: DT Swiss G540 rim, 24mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples | Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21mm width, Presta valve | Giant P-R2 Disc wheelset, alloy |
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Spokes | 14 g stainless steel, black | Sapim stainless | |
Front Hub | Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle | Giant alloy, 12mm thru-axle | |
Rear Hub | Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle | Giant alloy, 12mm thru-axle | |
Tires | Front: S-Works Mondo 2BR, 700x32c, Rear: S-Works Mondo 2BR, 700x32c | Bontrager R3 Hard-Case Lite, Tubeless Ready, aramid bead, 120 tpi, 700x32mm | Giant Gavia Fondo 1, tubeless, 700x32c (33.5mm), folding |
Disc Rotors | Shimano RT70, centerlock, 160mm |
Fenders | Compatible with RGX 38 fender (sold separately) |
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