Sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with cascaded technology from DURA-ACE. Light action More ergonomic operation Less chain drop New chain guide and FC gear shape with HG-X chain Braze-on support bolt improves stability Max Chainring: 53 Tooth Bottom pull Chain wrap capacity: 16 Tooth Speed: 2x10 OE Bagged: Products marked “OE Bagged” are genuine Shimano products but do to include aftermarket packaging. The warranty from Shimano and our return policy is the same as aftermarket packaged products.