Works with universal seat post lock;Replaces existing seat collar;For seat tube sizes: 28.6 mm/31.8 mm;Available in silver colour;Perfect fit and maximum security

• Pinhead Seat Collar Lock for Seat Tube - Silver, 31.8 mm/28.6 mm
• 31.8 mm/28.6 mm
• Silver

Pinhead Seat Collar Lock for Seat Tube - Silver, 31.8 mm/28.6 mmPinhead