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Diameter 28
}Ritchey WCS C220 Stem - 110mm 31
Discomfort is effectively prevented thanks to the anatomically adapted surfaces
it works extremely well with the Iron Cross from No Tubes
Intense study of chain and chainring wear patterns led to the radical tooth profile that lasts longer runs quieter and further improves chain retention
Shimano Dura-Ace CS-7900 Ultegra CS-6700 10-Speed 11t 1st Position Cog "B Fit" 105 CS-5800 Range-12-32 Diameter 28Shimano Dura Ace CS 7900 Ultegra CS 6700 10 Speed 11t 1st Position Cog "B Fit" for 105 CS 5800. Shimano Dura Ace CS 7800 & Ultegra CS 6700 6600 10 Speed Cassette Cogs1. 6mm cog thickness TECH SPECS Tooth Count 11
