Park Tool - GPS-1 Bottom Bracket Guide Pin Set S3-Size-40T Increases chain wrap

Increases chain wrap

Aluminum leg straps ensure all parts slide

Reflectors on all sides make you better visible in traffic

Increased rebound adjuster range

This chic bicycle shopper is made of recycled PET polyester

Park Tool - GPS-1 Bottom Bracket Guide Pin Set S3-Size-40T Increases chain wrapPARK TOOL FIVE PIECE BOTTOM BRACKET GUIDE PIN SET This complete set of five guide pins adds stability and security to the bottom bracket removal and installation process. Each pin included in the GPS 1 is sized for one of the most common thru axle hub or bottom bracket spindle standards. The guide pin simply threads into any of the thirteen Park Tool bottom bracket tools which feature integrated threads (see Product Compatibility for full list). A 5