CS-6700 Ultegra HG 10sp Cassette - 11-25T Sea to Summit Eliminating seams in key areas

Eliminating seams in key areas minimizes chafing and creates greater freedom of movement

400-degree sparks in any conditions

and all-over cushioning for added protection and warmth

and Helio Fixed Length Carbon ski poles

CS-6700 Ultegra HG 10sp Cassette - 11-25T Sea to Summit Eliminating seams in key areas10 speed Super Narrow HyperGlide compatible cassette (compatible with older Ultegra 6600 10 speed systems) Small stepped gearing also for Saint M820 DH use Single, 6 arm aluminum carrier (3 largest cogs) reduces weight and increases stiffness Nickel plated steel cogs for increased durability with an aluminum lockring Freehub Compatibility: Shimano HG Weight: 210g. (11 23t); 242g. (11 28t); 238g. (11 25t); 275g. (12 30t) ICS670010125