Stroker pin provides longer stroke for your bike from the original bore at 53.8mm and stroke at 54.7mm. This 1.5mm stroker pin will raise the stroke to 56.2mm. Longer stroke are said to provides higher torque that gives better pick-up.
For now this forged wheel is only available for Yamaha Y125Z. Forged wheel are better than cast wheel in many aspects. The most important aspect is in its lightness and strength. Usually forged wheel are only available for superbike, but now Racing Boy has make the important step to made this available to underbone riders.
The price for this forged wheel are absolutely more expensive than the cast alloy wheel that Racing Boy already offer in its wheel lineup.