Campagnolo Ekar 13-Speed Cassette

13 sprockets make the logic of the 1x system possible. And what makes it work so perfectly for all-road riding, is the introduction of the 9-tooth cog. It means the wide range of gear ratio make the natural, progressive cadence-matching shifts create a uniquely satisfying ride. Specification 13-speed - full range to match or exceed any 2x systems, with no wastage 9-tooth sprocket - allows full range with zero drop in efficiency Compact - narrow design with quick changes, lightweight, improved chain security Durable - tough materials and design, with no weight penalty Closer low gear spacing - creating natural cadence progression Wider higher gear spacing - creating top-end speed options 2-piece block - blends strength of steel with light weight of alloy Works with the new N3W driver body - for great versatility and full compatibility Weight: 340 gr (Endurance 9-36T : 9-10-11-12-13-14-16-18-20-23-27-31-36) 390 gr (Gravel Race 9-42T : 9-10-11-12-13-14-16-18-21-25-30-36-42) 410.