E Thirteen TRS Race cassette replacement cogs

E Thirteen TRS Race cassette replacement cogs to replace only the worn parts of your 11 speed cassette. 2 blocks available. The first is made with steel and contain 9-10-12-14-17-20-24-28 teeth cogs, the second is made with aluminium and contain 33-39-46 teeth cogs

Features

• The first bloc is made with steel and contain 9-10-12-14-17-20-24-28 teeth cogs
• The second bloc is made in aluminium and contain 33-39-46 teeth cogs
• Each bloc comes with assembly grease
• Only compatible with TRS Race cassettes