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Bolt sets contain 6 bolts with tapered heads and 6 flanged nylon lock nuts. We recommend replacing your sprocket bolts at the same time you replace your rear sprocket. The old bolts are often stretched or stripped, while used lock nuts are more likely to come loose. This can result in wheel hub and swing arm damage which can be very expensive to repair as many a sorry rider can attest to.Manufactured from Grade 12.9 high strength steel.Chromed surface for anti-corrosion.Large M8 socket head for easy installation.Flanged nuts feature nylon lock ring to prevent nut and bolt coming loose

ProX Front sprocket made by ultralight steel, offering perfect balance between strength, performance and longevity. ProX front sprocket is available on the following teeth number options: 13, 14, 15

ProX Front sprocket made by ultralight steel, offering perfect balance between strength, performance and longevity. ProX front sprocket is available on the following teeth number options: 12, 13, 14, 15

ProX rear ultralight steel sprocket manufactured from premium quality "Qste 420 & 460" high strength steel which offers superior durability. ProX steel rear sprockets will last 2-3 times longer than aluminium sprockets,made from T7075-T6, at the cost of being more heavyweight. ProX rear sprocket is available on the following teeth number options: 49, 50, 51

*Sample image. Actual product may vary* *Vertex Front sprocket made by ultralight steel 16CrNi4* *Made to offer perfect balance between strength, performance and longevity*. *The Vertex Front sprockets are available on the following teeth number options: 11T, 12Τ, 13T, 14T*

*Sample image. Actual product may vary* *Vertex Front sprocket made by ultralight steel 16CrNi4* *KC Racing series* *Made to offer perfect balance between strength, performance and longevity*. *The Vertex Front sprockets are available on the following teeth number options: 12T, 13T, 14T*

*Sample image. Actual product may vary* *Vertex Front sprocket made by ultralight steel 16CrNi4* *Made to offer perfect balance between strength, performance and longevity* *The Vertex Front sprockets are available on the following teeth number options: 13T, 14T*

*Sample image. Actual product may vary* *Vertex Front sprocket made by ultralight steel 16CrNi4* *Made to offer perfect balance between strength, performance and longevity*. *The Vertex Front sprockets are available on the following teeth number options: 13T, 14T*

*Sample image. Actual product may vary* *Vertex Front sprocket made by ultralight steel 16CrNi4* *Made to offer perfect balance between strength, performance and longevity*. *The Vertex Front sprockets are available on the following teeth number options: 15T, 16T*

*Sample image. Actual product may vary* *Vertex Front sprocket made by ultralight steel 16CrNi4* *Made to offer perfect balance between strength, performance and longevity*. *The Vertex Front sprockets are available on the following teeth number options: 13T, 14T*