SRAM XX EAGLE TRANSMISSION XS-1297 12-SPEED CASSETTE 10-52T trek kids 2 layers/120 tpi (sidewall)

2 layers/120 tpi (sidewall)

Efficiency is key with the latest Flight Attendant automatic damper featuring three Compression positions: Open

the finish provides a water-resistance to help protect the items within

Alloy headset spacer with plastic overmould

SRAM XX EAGLE TRANSMISSION XS-1297 12-SPEED CASSETTE 10-52T trek kids 2 layers/120 tpi (sidewall)The Sram XX Eagle Transmission (T Type) cassette is one of the main reasons why the Eagle Transmission offers the best shifting performance under load. This is the lightest Eagle cassette in history and the most precise and durable cassette from Sram. The sprocket set is made of hardened tool steel in X Dome design, and the 38 and 44 tooth sprockets of stamped steel are connected to the lighter twelfth gear made of aluminum. Features Full X SYNC for