Shimano Ultegra CS-6700 10S 12-30 drumbeat21-59 ' part to your workshop

' part to your workshop toolkit - Stay ahead of pesky punctures and ride uninterrupted

- Bio Chain Cleaner for fast

you can track your ride and customize your modes

sort out minor mechanicals

2mm Square Socket Internal Nipple Spoke Wrench

Shimano Ultegra CS-6700 10S 12-30 drumbeat21-59 ' part to your workshopLightweight 10 speed cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes. Hyperglide sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear Wide gear range to meet the demands of all types of rider