SRAM GX Eagle Groupset - 170mm Boost Crankset 32t DUB Trigger Shifter Rear Derailleur 12-Speed 10-52t Cassette 12-Speed Chain MFPN=00.4020.556.023 The fresh optical design and

The fresh optical design and the MOR(Maximum Optical Reflection) lens optimize light dispersion for enhanced visibility

The Tanpan 10 is compatible with Shimano M980

110cm chains

CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older Maximum Head Circumference 58 Gender/Age Adult Minimum Head Circumference 52 Color Shiny White Size Medium Visor Included No Multi Impact No Weight 270 Helmet Style Road Helmet Style Tri/TT Defined Color White

Or simply make your personal pedal-shuttle a little more bearable

SRAM GX Eagle Groupset - 170mm Boost Crankset 32t DUB Trigger Shifter Rear Derailleur 12-Speed 10-52t Cassette 12-Speed Chain MFPN=00.4020.556.023 The fresh optical design andSRAM GX Eagle Groupset 170mm Boost Crankset 32t DUB Trigger Shifter Rear Derailleur 12 Speed 10 52t Cassette and 12 Speed Chain. SRAM GX Eagle drivetrains are engineered for optimal performance. Eagle drivetrains are designed tested and proven to deliver durable performance for all riders. Eagle technology provides an expanded optimum gear range and is 100 percent compatible with all levels of SRAM Eagle drivetrain systems. The GX crankset is