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Classic Zeta Disc Wheels

Cassette Body


Tom Ritchey believes in high quality aluminum road wheels because they offer incredible performance and durability that’s hard to beat at any price. He designed the critically acclaimed Zeta to be wide, light and laterally stiff—perfect for a great road riding experience, yet still tough enough to endure gravel road rides and cyclocross races that would chew lesser wheels to pieces. Updated for 2024 with a 4-pawl freewheel and DT Competition spokes, the tubeless-ready Classic Zeta Disc wheels combine decades of historic ride-proven research, testing with modern standards, and a sophisticated aesthetic to deliver the legendary Ritchey ride quality at an attainable price.

  • Each Zeta wheel set is hand built by a qualified Ritchey wheel technician
  • Rear OCR® (Off Center Rim) design reduces wheel dish to balance spoke tension for a stronger, stiffer wheel

Tech Specs

Rimsalloy Tubeless Ready - OCR 3mm offset
Rim diameter700c
Rim depth23.4mm
Outer rim width24.4 mm
Inner rim width19.5mm
Suggested tire size range25-40mm
Hubsforged disc thru-axle hubs and sealed bearings 
Hub spacing100x12mm front / 142x12mm rear
Axle Compatibilitythru-axle (12mm)
Freehub materialalloy
Freehub optionsShimano / SRAM XD-Road (US only)
CompatibilityShimano 9-11 speed and 12 speed road cassette - SRAM XD/XDR - Campagnolo 10-13 speed (freehub conversion kits available separately)
Disc brake compatibility6-bolts
SpokesDT Competition 2.0/1.8 double butted / silver
Front24 spokes / 12x283mm / 12x285mm / 2x lacing
Rear24 spokes / 12x283mm / 12x285mm / 2x lacing
Nipples2.0 brass 12mm / silver
Colorhigh-polish silver
Do not use sealants containing ammonia

Logic Features

tubeless ready


All Ritchey wheels are tubeless-ready - just add tape, sealant, and a tubeless tire, and you're set!

OCR Rims

OCR Rims

Off-center spoke drilling offers equal spoke tension throughout the wheel resulting in an easily dished strong wheel.

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