Shimano Tiagra FC-4650 50 / 34 Tooth Compact 10 Speed Chainset - 175mm - Silver Locks The collar is lined with

The collar is lined with micro fleece and has a scalloped pattern for ergonomic comfort in the riding position

Monocoque crankarm/spider

All-new shifting features create a smoother

Campagnolo part code: EC-SR500EPS

XTR ST-M970 Series

Shimano Tiagra FC-4650 50 / 34 Tooth Compact 10 Speed Chainset - 175mm - Silver Locks The collar is lined withShimano Tiagra FC 4650 50 34 Tooth Compact 10 Speed Chainset 175mm Silver Sporting many features from pro level equipment, this 2 piece cap free design Tiagra chain set offers unbeatable performance. Fitted with SG X chainrings that feature strategically placed chain pick up pins and tooth profiles to ensure fast and positive shifting. Anodized aluminium crank arms Lightweight aluminium chainrings Designed to work with HollowTech II type bottom