Shimano Dura-Ace Cassette - 10 Speed | 11-21t

Shimano Dura-Ace Cassette - 10 Speed | 11-21t Shimano

Shimano Dura-Ace Cassette - 10 Speed | 11-21t

Shimano Dura-Ace Cassette - 10 Speed | 11-21t

Shimano logo

Why Is the Shimano Dura-Ace 10-Speed 11-21T Cassette Built for Racing?

This Shimano Dura-Ace 10-speed cassette in the classic 11-21T specification is the archetypal close-ratio racing cassette, delivering tightly spaced gears for maximum cadence control on flat and rolling race courses. Built to Dura-Ace standards with Shimano's HYPERGLIDE shifting technology, the 11-21T range is optimized for criterium racing, flat stage racing, and any situation where maintaining a precise, efficient cadence is more valuable than low-end climbing gears. A legacy spec with enduring relevance for flat terrain and track-inspired road builds.

Compatible with all Shimano 10-speed road drivetrains. Requires a standard 10-speed freehub body and a Shimano 10-speed chain.

Sale
$269.99
$269.99 $299.00
Shipping calculated at checkout.

1 in stock

  • Orders over $100 ship free!
  • Estimated delivery: May 10 - May 14

Ask a question

The fields marked * are required.

more details:

Shimano logo

Specifications

  • Speed: 10-speed
  • Range: 11-21T
  • Technology: HYPERGLIDE
  • Groupset match: Shimano Dura-Ace 10-speed
  • Compatible: All Shimano 10-speed road drivetrains

FAQ

Who should use an 11-21T cassette?

The 11-21T is a specialist close-ratio cassette for flat criterium racing, track-influenced road builds, or riders with strong legs who do not need low climbing gears. It is not appropriate for hilly terrain.

Is this cassette compatible with Ultegra and 105 10-speed drivetrains?

Yes. All Shimano 10-speed road cassettes are cross-compatible across Dura-Ace, Ultegra, and 105 10-speed groupsets.

What chain is recommended?

Use a Shimano 10-speed road chain such as the CN-6701, CN-6600, or CN-4601 for optimal shifting performance.

Best For

Criterium racers, flat-stage specialists, and road riders who prioritize close gear steps and maximum cadence efficiency over climbing range.

Shimano Dura-Ace Cassette - 10 Speed | 11-21t Reviews:

You may also like