Supersprox stealth rear sprocket European patent 03792104.6 US patent 7,481,729 B2 The original Bi-Metal sprocket. Patented connection between the steel and aluminum parts, providing reliability and durability for your ride!. Steel Teeth: Last 3 times longer than an Aluminum sprocket aluminum core :Up to 30% lighter than a steel sprocket. Stunning: Smart...

Supersprox stealth rear sprocket European patent 03792104.6 US patent 7,481,729 B2 The original Bi-Metal sprocket. Patented connection between the steel and aluminum parts, providing reliability and durability for your ride!. Steel Teeth: Last 3 times longer than an Aluminum sprocket aluminum core :Up to 30% lighter than a steel sprocket. Stunning: Smart...

Supersprox stealth rear sprocket European patent 03792104.6 US patent 7,481,729 B2 The original Bi-Metal sprocket. Patented connection between the steel and aluminum parts, providing reliability and durability for your ride!. Steel Teeth: Last 3 times longer than an Aluminum sprocket aluminum core :Up to 30% lighter than a steel sprocket. Stunning: Smart...

Supersprox stealth rear sprocket European patent 03792104.6 US patent 7,481,729 B2 The original Bi-Metal sprocket. Patented connection between the steel and aluminum parts, providing reliability and durability for your ride!. Steel Teeth: Last 3 times longer than an Aluminum sprocket aluminum core :Up to 30% lighter than a steel sprocket. Stunning: Smart...