BLACKBONE 2 speed high ratio 2nd gear kit

Description

This is a bolt on upgrade kit for your Blackbone 2 Speed system.
You are purchasing a complete 2nd gear of the ratio selected with a pre-fitted custom high ratio 2nd gear hub which fits onto your existing 2 Speed system!!REMEMBER, these ratios are extremely high and not recommended for small zenoah style engines, choose carefully as picking a ratio above what your engine can pull will just result in terrible performance.