Characteristics:- The SRAM S350-1 rods provide quiet simplicity because the 1x SRAM.- With the SRAM X-SYNC , the Tooth Profile S350-1 connecting rods is designed to complete the control chain at a great value.- Each thickness of the tooth is CNC machined to work perfectly with the chain of inner and outer links.- And with four plates available you can customize the range of gears.Specifications:- Alternative to the SRAM rival of 1 plates and connecting rods- Compatible with 130mm, 135mm and 142mm old frames- SRAM 1x? Simplicity and control- Arm Material: Durable forged aluminum with built-in spider functions- Rings: 42T X-Sync?- X-Sync? Tooth design provides maximum chain control- Bottom bracket: available in the GXP variant- Highlight technology (s): X-SYNC ?, GXP- available version: 175 mm arm length- Plate Material: Aluminum- Weight: approx. 762 gr. (For 24 mm spindle, 42T, 172.5 mm)