Replacement and sports variator, depending on the model with 6 or 8 variator rollers and with or without variator spring. Precisely manufactured, the half-pulley is made of a silicon-aluminum alloy on high-precision CNC machines and then diamond-ground. The included variator rollers are PTFE coated and therefore self-lubricating, self-lubricating plain bearing, optimized shifting process, improved acceleration, slightly increased top speed, tunable for every model. INFO: For some models, the black variator cover is not included. In these cases, the original one can and must be reused. Not StVZO approved! Number of rollers 6 pcs. Article type Variator design Weight 7.0 g Size 16 x 13 mm Main color silver Option without V-belt Variation Sport