Park Tool - BBT-29 Bottom Bracket Tool Stock Item:Park Tool Bottom Bracket Tool - Shimano Dura-Ace 9000, XTR 980, FSA MegaEvo 165/170/175mm Rear Derailleur SRAM NX

165/170/175mm Rear Derailleur SRAM NX Eagle

1 rectangle for cable wear protection or other uses

Locking single-sided adjustment skewer with long throw for easy bike loading

The Chain Gang includes:

Fits most chain and seat stays without cutting

Park Tool - BBT-29 Bottom Bracket Tool Stock Item:Park Tool Bottom Bracket Tool - Shimano Dura-Ace 9000, XTR 980, FSA MegaEvo 165/170/175mm Rear Derailleur SRAM NXPARK TOOL BBT 29 BOTTOM BRACKET TOOL The BBT 29 is a double ended bottom bracket wrench designed to fit 16 notch bearing cups with an outside diameter of 39mm (e. g. Shimano Dura Ace 9000 series and XTR 980 series) as well as 16 notch bearing cups with an outside diameter of 48. 5mm (e. g. FSA MegaEvo).