700c, 27-Inch & 650c

Tom Ritchey redesigned the critically acclaimed Zeta to be wider, lighter, and laterally stiffer, yet still tough enough to endure gravel road rides and cyclocross races that would chew lesser wheels to pieces. Building upon the legendary wheel-building and design heritage of Ritchey, the Classic Zeta wheels offer modern features that allow them to perform gracefully in variety of ride settings. Featuring a wider tire profile, the Zeta wheels provide a more comfortable ride while improving handling. - Hi-polish silver finish - Alloy freehub body - Phantom Flange hubs offer the sleek profile and direct-drive efficiency of straight-pull spokes, but still uses stronger, more reliable J-bend spokes for maximum performance and reliability - Tubeless-ready rims

The do-everything aluminum race wheel is wider, lighter, and stiffer than ever, now available in a tubeless disc brake version. Tom Ritchey believes in high-quality aluminum road wheels. They offer incredible performance and durability that's hard to beat at any price. The critically acclaimed Zeta is completely redesigned to be wider, lighter, and laterally stiffer, yet still tough enough to endure gravel road rides and cyclocross races that would chew lesser wheels to pieces. New dedicated disc brake version features new two-piece forged hubs and disc-only OCR rim extrusion. The Zeta Disc wheels feature new forged two-piece WCS disc hubs, and the disc-specific, tubeless Zeta OCR rims are light, stiff, and wide. Forged, machined, and staggered hub flange increases spoke bracing angle and builds a stronger, lighter wheel. - Rims: alloy Tubeless—OCR offset—Proprietary Ritchey extrusion - Rim depth: 24.4mm - Outer rim width: 25.5 mm - Inner rim width: 21.0mm - Hubs: forged disc hubs and sealed bearings - Freehub material: alloy - Disc brake compatibility: Center Lock - Axle style: thru-axle 100x12mm front / 142x12mm rear - Axle compatibility: thru-axle (12-15mm)—standard quick release (conversion kits available separately) - Spokes: DT Competition 2.0/1.8 DB - Front: 24 spokes / 2x lacing - Rear: 24 spokes / 2x lacing - Nipples: 2.0 brass 12mm - Weight: 1650g/set (775g—front / 825g—rear) - Do not use sealants containing ammonia

New WCS hubs using a ratchet system freehub. - 24.8mm inner width rim with a 19.1mm height - DT Swiss Competition double butted spokes - 1840g with the included TLR rim tape