Surly Stainless Steel Track Cog Lockring

Surly stainless steel track cog lockring.

• Fits all but Campagnolo, Miche or Phil Wood (if you have a Zeus you'll need to measure)
• 5mm thick with 0.65mm lip for maximum thread and lockring wrench contact
• 1.29" x 24 tpi Left-hand Thread (BSC standard)