CENTER SLEEVE ONLY

 Machined AL6061 alloy construction Center sleeve for use with Revolvr outboard bottom brackets Converts 68/73mm outboard bottom bracket to a 100mm or 120mm fat bike model Seals and protects the bearings from harmful contaminants Center sleeve only - Revolvr outboard bottom brackets sold separately 100mm AL6061

 Machined AL6061 alloy construction Center sleeve for use with Revolvr outboard bottom brackets Converts 68/73mm outboard bottom bracket to a 100mm or 120mm fat bike model Seals and protects the bearings from harmful contaminants Center sleeve only - Revolvr outboard bottom brackets sold separately 120mm AL6061