SPI QRS variaattorin rullat (pari) 2008-

- Made of a proprietary material that is extremely heat and wear resistant.

- A machined roller, with tighter pin clearance to prevent the roller from twisting and binding.

- Stronger than stock – 14,000 PSI Tensile Strength 

- Allows the clutch to upshift and backshift more efficiently with less Friction and less clutch wear.