Shimano Dura-Ace 9000 Chainring 52T For 52/36 Silver On Sale the insert you sit on

the insert you sit on is Castelli's Progetto X2 chamois

Rice pattern sole prevents slippage

Latch Beta is crafted with a handy kick-up latch feature that attaches to your shirt for easy storage

Specifically designed for disciplines including Cross Country

Non-slip rubber outsole delivers excellent grip on wet surfaces

Shimano Dura-Ace 9000 Chainring 52T For 52/36 Silver On Sale the insert you sit onThe Shimano Dura Ace groupset is well known for its precision engineering. This engineering extends into every part of the groupset, including the new 9000 series Chainring. The DA 9000 chainring is made from alloy that has been carbide reinforced. Carbide is often used in drill tips for longevity and durability, and you'll find those same qualities extend to the chainring. Additionally, the teeth on the rings receive less wear, making for consistent,