TSC DEFINITIVE CASSETTE 14mm36w9T LHD SK-PU 24mm INTEGRATED Kit Includes:

Kit Includes:

Expertly machined 7075 aluminum

Weighs only 50 grams per set with plugs

Bearings are easily serviced or replaced

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

TSC DEFINITIVE CASSETTE 14mm36w9T LHD SK-PU 24mm INTEGRATED Kit Includes:The Definitive Cassette is the most advanced hub that Shadow has produced to date 120 points of engagement and a 3 pawl engagement system that uses 4 notches on each pawl for an almost instant power transfer Micro notched pawls with individual leaf springs 6061 alloy hub body w 2 precision sealed bearings 1pc 9T chromoly driver w 3 precision sealed bearings 14mm hollow chromoly axle