Crown alu JT 51 ultralight teeth not 520 type 822

Whether for a replacement or a change of demultiplication, gables and crowns JT Sprockets guarantee high quality transmission elements and increased longevity.

Aeronautical aluminium crown 7075-T6 high strength (Ergal)
Crown with "Anti-boue" finish that facilitates particle projection, for a more efficient transmission.

Material: Aluminum
Number of teeth crown : 51
Crown type: 822
Ultralight crown version
No transmission chain: 520