Shimano Tiagra 4700 10 Spd Rear Derailleur Size:SS - Short Cage the all-new Giro Helios Spherical

the all-new Giro Helios Spherical Helmet serves as Giro’s premium adventure helmet

Starting at only 3

The multiple 7-speed freewheel is available as 14-28 teeth or 14-34 teeth MegaRange version

The waterproof construction provides reliable and precise data under all conditions

offering balanced power

Shimano Tiagra 4700 10 Spd Rear Derailleur Size:SS - Short Cage the all-new Giro Helios SphericalShimano Tiagra 4700 10 Speed Road Rear Derailleur Consistently smooth and light shifting operation Compatible only with ST 4700 and ST 4703 shifters Wider, Rider Tuned 10 speed gearing options Robust adjustability Max Cog: 34t (GS); 28t (SS)