Sun Race CSMX80 11sp. Cassette 11-50T Labeled Size-700 x 45 It features a windproof top

It features a windproof top and a very thin palm made of the highest quality Clarino for good feel and grip

well PADDED BATTERY COMPARTMENT with

This medium-volume racing boot with carbon chassis and natural flex sole delivers stability and easy kick access

}Full Speed Ahead BB-7100 MegaExo 68/73 Cartridge Sealed Bottom Bracket

Chainline  47

Sun Race CSMX80 11sp. Cassette 11-50T Labeled Size-700 x 45 It features a windproof topLightweight wide range mountain cassette compatible with HG 8 11sp freehub bodies 7075 aluminum 42t and 50t cogs, all other cogs are steel 7 cogs on 2 aluminum spiders, plus aluminum lockring and spacers SRAM derailleurs are generally compatible, Shimano derailleurs require a longer B tension screw (use WQ2299) TECH SPECS model CSMX80 freehub type HG speed 11 range 11 50 cogs 11,13,15,18,21,24,28,32,36,42,50 color black weight 519g