Campagnolo Cassette Lock Ring 11 speed (Oversized 27.1mm)

Campagnolo Cassette Lock Ring 11 speed (Oversized 27.1mm)

Original Campagnolo replacement cassette lockrings.

There are four types:

• 9/10 speed compatible (all 9/10 speed cassettes from 2000 onwards plus Record & 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)