2026 Specialized Aethos Pro Di2 Bike Gloss Shadow Silver / Emerald Metallic 52 MPFN-C205C00A06300With a 705g frame, the Aethos 2 is the lightest bike in its class . But weight was never the point. Built by breaking racing's rules to deliver pure road riding bliss, it's engineered to disappear beneath you: responsive, supple, and sublime. Now with increased tire clearance, refined components, and data based fit enhancing geometry, it brings that transcendent ride feel to more riders than ever. Aethos 2 breaks the rules, for the love of the ride.
5-65MM) 650 LB
Direct Mount Type Direct Mount SRAM Tooth Count 30 Drivetrain Speeds 12 Drivetrain Speeds 11 Drivetrain Speeds 10 Defined Color Black Material Aluminum Offset 6 Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 150/157 DH Hubs
}SRAM GX Eagle AXS Rear Derailleur - 12-Speed Long Cage 52t Max Lunar
Color Black/Tan Defined Color Black Flat Protection Tread ISO Diameter 622 / Road / 29" ISO Width (mm) 25 Labeled Size 700 x 25 PSI 175 TPI 300 Tire Bead Folding Tire Diameter 700c Tire Intended Use Gravel Tire Intended Use Road Tire Type Tubular Valve Core Removable Weight 285 Weight (oz) 10
Model Standard Material Butyl Tire Size 700c Tire Width 28-35mm Valve Presta RVC (Threaded) Length 60mm Package 50/Count
CNC-machined from 6061-T6 aluminum BE-1 extenders easily mount to any frame’s existing cantilever brake bosses and provide an additional 16 mm of brake arm positioning
7 Lockout Switch Climb Switch Metric Yes Positive Spring Coil Stroke (mm) 50 Weight 280
5" versions Flat Protection Tread and Sidewall Color Black Weight 420 Defined Color Black ISO Width (mm) 35 ISO Diameter 622 / Road / 29" Tire Intended Use Gravel Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 35 Tire Type Tubeless Ready Clincher PSI 60 / 80
The K35 makes a great replacement tire and is good for road use Color Black
Defined Color Black Weight (oz) 15 PSI 60 TPI 120 Weight 426 Tire Type Tubeless Ready Clincher Tire Intended Use Cyclocross Color Black Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 33 ISO Width (mm) 33 ISO Diameter 622 / Road / 29"
TPI 67Color Black/TransparentWeight 585Defined Color TanISO Width (mm) 50ISO Diameter 622 / Road / 29"Tire Intended Use GravelTire Diameter 700cTire Bead FoldingLabeled Size 700 x 50Tire Type Tubeless Ready Clincher
Debossed Neoprene wrist cuff
