Clinch extension cog extends the range of biggest rear cog to 40T. It is the perfect match to front single chain ring conversion.
16T cog and B-tension screw included.
|By product||Sprockets and spare parts|
|Catalog numbers||CH16CS42S-03, CH16CS42S-01, CH16CS42S-10|
|Availability all the goods in catalog are located in our stores and warehouses;|
|Red||42T||A V L||4712931183184|
|Black||42T||K28 A V L N||4712931183177|
|Blue||42T||K28 A V L||4712931183610|