Shimano goes to 11 with new Dura-Ace

  • By Nick Legan
  • Published May. 31, 2012
  • Updated Oct. 30, 2014 at 10:11 AM EDT
Yep, 11 of them. The new cogs are the same width as current 10-speed cogs, but the spacing is narrower. The rollers on the chain are also the same width as before. The chain is no longer directional. Photo: Nick Legan

Chain and Cassettes: cramming in 11

The new cogs are the same width as the 10-speed versions; they’re simply closer together. Chains, therefore, also retain the same width rollers. Only the outer plates of the chain are thinner. The outer plates are also now solid, instead of relieved like on Shimano’s current chains. Also gone is the need to orient the chain directionally.

Thanks to the retained cog and roller width and a new PTFE coating on the entire chain, durability should be similar to 10-speed versions. Cassette offerings include 11-23, 11-25, 11-28, 12-25 and 12-28.

Pedals: more fit options

Shimano will offer its popular Dura-Ace SPD-SL road pedals with a 4mm longer spindle. This will help many riders who currently use pedal spacers or a different pedal system. The axle will also be available as an aftermarket part, but the cost will be high when compared with buying a new set of pedals.

Shimano will also begin offering a third cleat option. The new, blue cleat features “front center pivot” float, rotating at the nose of the cleat instead of centering the float over the pedal body. The blue cleat has less float and doesn’t shift laterally like the current yellow cleat. The fixed red cleat will remain available. Shimano will also offer shims to help bike fitters accommodate leg length discrepancies.

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FILED UNDER: Bikes and Tech TAGS: / / /

Nick Legan

Nick Legan

After graduating from Indiana University with honors and a degree in French and journalism, Nick Legan jumped straight into wrenching at Pro Peloton bike shop in Boulder for a few years. Then, he began a seven-year stint in the professional ranks, most recently serving for RadioShack at the Tour de France and the Amgen Tour of California. He also worked for Garmin-Slipstream, CSC, Toyota-United, Health Net and Ofoto. Legan served as the VeloNews tech editor 2010-2012 before sliding across the line into public relations.

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