7" bolt circle (100mm mount hole to mount hole distance)

Fits: > 05-15 XL (excl

09-21 Tri-Glide

7/16-14 x 1-3/4"

All traditional H-D male mount

PS, 412 series shock set. 13.5". STD/Heavy Duty. Chrome 1980-0 Evo 7" bolt circle (100mm mount412 series shocks: Best value Progressive Suspension shock, great as stock replacement. Nitrogen charged double steel wall body. Multi staged velocity sensitive valving. Five position cam style preload adjustment. Note: Black 412 shocks may be supplied without lower cover. What are Progressive Suspension's 'Heavy Duty' shocks? If you are a lightweight rider with a lightweight passenger, STD Duty is probably your best choice, heavy duty shocks will