Building on the award-winning 52|63, the all-new Reserve 57|64 TA is over 8% faster in wind tunnel testing, without adding a single gram of rim weight. Designed with our latest Turbulent Aero refinements, it’s the ultimate wheelset for breakaways, sprints, and all-out speed. The 57mm front ensures confident handling in crosswinds, while the 64mm rear delivers relentless aero gains. Updated with our sleek new graphics, it’s fast—redefined. FEATURES: Strong & Light: Every Reserve rim begins in our Santa Cruz composites lab, where we develop precise carbon layups and proprietary testing to replicate real-world riding—maximizing strength, stiffness, and durability. Wind Tunnel Tested: Reserve’s exclusive wind-tunnel testing uses CFD (Computational Fluid Dynamics) provides data that is focused on simulating real-world air flow, allowing us to continuously build upon our Turbulent Aero technology. Race Proven: The 57|64 played a key role in Team Visma - Lease a Bike's decisive victory at the 2025 Giro d’Italia. Engineered for pure speed when every second counts, these wheels deliver pro-level performance—whether you're racing for the podium or chasing personal bests on your home roads. SPECS: Designed For: Road racing, crits, and fast group rides Wheelset Weight: DT 180 Dicut: 1524 g DT 240: 1544 g DT 350: 1601 g ERD: 527 mm (57), 515 mm (64) Inner Width: 25.4 mm Front, 24.4 mm Rear External Width: 34.3 mm Front, 32.5 mm Rear Depth: 57 mm Front, 64 mm Rear Offset Rear: 1.3 mm Recommended Tire Dimensions: 29 to 40 mm Rim Weights: 465 g (57), 525 g (64) Spoke Count: 24 Hub Spacing: 12x100 mm / 12x142 mm Freehub Options: XDR, HG-EV Disc Style Option: Centerlock