• Hard material made from premium materials to suit any sports activity
• Backwards compatibility with 10- / 11- / 12- / 13 speed cassettes
• To make it compatible with ALL current cassettes, simply use the N3W ring (kit ring + ring code AC21-N3W)
• Campagnolo sports products are designed so that you can enjoy your favourite sport without worrying about anything but perform at your best
• Material: Aluminum

Original Campagnolo replacement cassette lockrings.

There are four types:

• 9/10 speed compatible (all 9/10 speed cassettes from 2000 onwards plus Record and Chorus cassettes from 1999)


• 11 speed compatible (all 11 speed cassettes from 2009 onwards)


• 12 speed compatible (all 12 speed cassettes from 2019 onwards)


• 13 speed compatible (all 13 speed cassettes from 2020 onwards)

Please also check what tooth your first sprocket is:

• Select 11T - for 11 tooth first sprocket


• Select 12T - for 12 or 13 tooth first sprocket

FEATURES:

• Original Campagnolo Spare part

CAMPAGNOLO PART NUMBER

• CS-501 (9/10x, 11T)


• CS-401 (CPS45 9/10x, 12T)


• CS-111 ( 11x, 11T)


• CS-112 (11x, 12T)


• CS-511 (12x)


• AC21-N3W (13x 11T)