S/A 5sp HB TSS56 TWIST RIGHT-HAND wBK HOUSING RETAINER 9-series: 4 piston

9-series: 4 piston

This bearing set is ready to plug a Sram GXP crank in a Trek BB90 carbon road frame

Enhanced efficiency means longer life for chainrings and sprockets

Internal hub compatible

Trek: 6-series Madone - 2010-2011 / Cronus CX Pro - 2012-2013 / Cronus CX Ultimate - 2012-2013 / Cronus CX Ultimate Frameset - 2012-2013 / Custom Madone 6 Series - 2012 / Custom Madone 6 Series SSL - 2012 / Custom Madone 6 Series SSL WSD - 2012 / Custom Madone 6 Series WSD - 2012 / Custom Speed Conc

S/A 5sp HB TSS56 TWIST RIGHT-HAND wBK HOUSING RETAINER 9-series: 4 pistonTwist shift with optical display Weight 63. 5g Compatible with the older (W) wide ratio 5 speed hubs Not compatible with C50 Rotary hubs