The Dura-Ace R9270 C60 is Shimano's flagship 60 mm deep-section carbon wheelset — built for road racers who demand aero speed, sprint stiffness, and tubeless reliability in one premium package. The High-Rigidity (HR) construction delivers 20% greater lateral stiffness than the previous generation, making it a formidable weapon on bunch sprints, breakaways, and punchy climbs.

Highlights

  • 60 mm deep all-carbon rim with Shimano's D2 aerodynamic profile
  • High-Rigidity (HR) construction — 20% increased lateral stiffness over previous generation
  • Tubeless-ready (TL) rim with hook-type bead for 25–32 mm tyres
  • 21 mm internal / 28 mm external rim width for optimal tyre aero-matching
  • 24 double-butted stainless steel spokes per wheel (1.8 mm — stiffer than previous 1.5 mm)
  • 2:1 front and rear spoke lacing pattern (OPTBAL) for improved spoke tension balance
  • Centre Lock disc brake mount
  • 12 mm thru-axle hubs with E-Thru technology (12×100 mm front / 12×142 mm rear)
  • Direct Engagement aluminium freehub — Shimano HG 12-speed road cassette compatible
  • Wheelset weight: 1,609 g (pair)

D2 Aero Carbon Construction

The C60's D2 rim profile has been wind-tunnel optimised to reduce drag across a 0–15 degree yaw range — the conditions most commonly encountered during road racing. The wide 28 mm external rim width pairs aerodynamically with 26–30 mm tyres, reducing the "lightbulb" effect for cleaner airflow. The all-carbon layup keeps weight low while the HR construction ensures the rim doesn't flex under hard sprinting loads.

Redesigned Hub & Spoke System

The completely redesigned Dura-Ace R9200 hub features a Direct Engagement aluminium freehub body that saves 45 g over the prior unit while increasing drivetrain engagement rigidity by 63% versus the C40-TL. Cup-and-cone bearings with stainless steel races run on oversized, anodised aluminium axles sealed with contact seals for long service life. The front and rear OPTBAL 2:1 spoke lacing distributes load evenly across the drive and non-drive sides, balancing tension for long-term wheel durability.

Compatibility & Fit

Designed for Shimano Dura-Ace R9200 and Ultegra R8100 disc brake road groupsets. Requires 12-speed Shimano HG road cassette. Centre Lock disc rotor required (not included). Front axle: 12×100 mm thru-axle. Rear axle: 12×142 mm thru-axle. Tyre compatibility: 700×25–32 mm (tubeless or clincher). Not compatible with rim brake frames, quick-release axles, or 11-speed cassettes.

Shimano Dura-Ace wheels are covered by a 3-year warranty from the date of original purchase against defects in materials and workmanship. This warranty applies to the original owner only and does not cover normal wear and tear, damage from improper installation, or use outside of Shimano's recommended applications. For warranty support, return the item to Tune Cycles.

  • 60 mm deep all-carbon D2 aero rim profile
  • High-Rigidity (HR) construction — 20% greater lateral stiffness
  • Tubeless-ready (TL) hook-type bead seat
  • 21 mm internal / 28 mm external rim width
  • 24 double-butted stainless steel spokes per wheel (1.8 mm diameter)
  • OPTBAL 2:1 front and rear spoke lacing pattern
  • Centre Lock disc brake hub
  • 12 mm thru-axle: 12×100 mm front, 12×142 mm rear (E-Thru)
  • Direct Engagement aluminium freehub body — 12-speed HG road
  • Cup-and-cone bearings with contact seals
  • Wheelset weight: 1,609 g (pair)
  • Wheel size: 700c
SpecificationDetail
Wheel Size700c (28")
Rim Depth60 mm
Internal Rim Width21 mm
External Rim Width28 mm
Rim MaterialFull carbon
Rim TypeTubeless-ready, hook-type bead
Brake TypeDisc brake, Centre Lock
Front Axle12×100 mm thru-axle (E-Thru)
Rear Axle12×142 mm thru-axle (E-Thru)
Spoke Count24 per wheel
Spoke TypeDouble-butted stainless steel, 1.8 mm
Lacing Pattern2:1 (OPTBAL) front and rear
Freehub CompatibilityShimano HG 12-speed road
Tyre Compatibility700×25–32 mm
BearingsCup-and-cone, stainless steel
Wheelset Weight1,609 g (pair)
SKU SHM-WH-R9270-C60-PR
Brand Shimano

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