V1 36 way adj. Front Pillow Ball Mount / Spring Rates: Front 8kg, Rear 4kg Shaft size N/A
(Discontinued
)
V2 30 way adj. F&R Pillow Ball Mount / Spring Rates: Front 8kg, Rear 4kg Shaft size 46mm
(You can specify any spring rate you want when you order them though
)

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BC Inverted 30 way adj. F&R Pillow Ball Mount / Spring Rates: Front 8kg, Rear 4kg Shaft size 46mm
(You can specify any spring rate you want when you order them though
)

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Link to website:
http://www.bcracing-na.com/