Spare and sport 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-polished. The included variator rollers are PTFE coated and therefore self-lubricating, self-lubricating plain bearing, optimized shifting, 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 cover can and must be reused. Not StVZO approved! Number of rollers: 6 pcs. Item type: Variator. Weight: 17.0 g. Size: 23 x 18 mm. Main color: silver. Option: without V-belt. Variation: Sport.