The original spare parts from Shimano obtain the performance of Shimano products and provide you with safety and comfort. The range includes all wear parts such as cables, brake shoes, brake pads, sprockets and chain rings for all groups.
- Teeth: 39
- Typ: 5 Hole
- Hole Circle: 130 mm
- Material: Aluminium
- Color: silver
SG-X chainrings provide a significant technological step forward, because forward with them can super soft switch even under extreme load. Special Tooth profiles, locating pins and climbing aids can be the function of the Circuit at the front are so easily as you would from the rear only Components knows. SG-X chainrings provide smoother, quieter and faster switching.
Shimano front Switching system is based on the Hyper Drive concept. Derailleur, chain and HG SG-X chainrings work in the tuned network and make the Turn forward reliable, faster and more accurately. Without Hyperdrive it is especially under load quickly to problems if the large Chainring to be switched. Eliminated Shimano's Hyperdrive system these problems. The guide teeth, climbing aids the SG-X chainrings, the super stiff Wide link derailleur and the special profile of the HG chain plates were developed so that they perfectly act as a system together and so for clean, trouble- Turn care, which is especially important in challenging terrain. The chainrings have exceptionally high torsional strength. The profile of the teeth is specifically shaped so that when you switch to both directions, the chain can slide and picked up thoroughly.