Sleek balanced and consistent the tiagra 4700 series provides serious entry level riding performance with cascaded technology from dura ace features light action braze on derailleur more ergonomic operation less chain drop new chain guide and fc gear shape with hg x chain braze on support bolt improves stability cassette compatibility 10 top gear teeth 53t maximum capacity 16t chain stay angle 61 66 chain line 435 band mount 286 318 wadapters 349