All Balls Racing - Chain Roller (79-5002) Supplier-IMS Products it prevents the tank from

it prevents the tank from touching the ground

Doesn't fit Carbon 2 models without slight modification

Spacer enables ideal running surface and sealing performance

up to 12-speed

Replaces (OEM part): 800099928

All Balls Racing - Chain Roller (79-5002) Supplier-IMS Products it prevents the tank fromDesigned as a direct replacement for the OEM design. 79 5001, 79 5002, 79 5006 these chain rollers feature the outer mechanical seal to protect the bearings from dirt and water. All other designs are too narrow to incorporate this design and use triple lip sealed ball bearings for superior dirt exclusion compared to OEM bearings.