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more streamlined
Rotors: Shimano SM-RT10 CL / 180/F and 160/R
The cups come with CeramicSpeed Bearings installed
Rear Derailleur Shimano Sora GS
Park Tool CC-3.2 Bike Brand_Retrospec more streamlinedA worn chain shifts poorly and wears sprockets at an accelerated rate. The CC 3. 2 is a go no go gauge designed to accurately indicate when a chain reaches . 5% and . 75% "stretch," the points at which most chain manufacturers suggest replacement. For 9 and 10 speed chains, replace chain just as the gauge fits the 0. 75% side fits flat into the chain. For 11 and 12 speed chain, replace as the 0. 5% side fits. The CC 3. 2 is long, accurate and features
