The SRAM Chainspotter prevents the chain from dropping of the smallest chainring. With a relatively small investment you can prevent a lot of problems. In the corridors this item is called an 'anti-Schleckie' which obviously refers to the chain of Andy Schleck that came of its chainring while shifting during the tour de france of 2010.
• Includes everything you need to mount it on your front derailleur
• Suitable for the following front derailleurs: Sram Red 22, Sram Red 2012, SRAM Red, SRAM Force, SRAM Force 22, SRAM Rival and SRAM Apex
• If you use a clamp, it is necessary to use the special Sram Red clamp (not supplied)
• Weight: 16 grams