Progressive 990 Series Shocks 12/13" Touring 80-21 BS365 - Air to fuel ratio:

- Air to fuel ratio: Displays 12

tire pressure gauge

Fits left & right on all 7/8" (22mm) and 1" handlebar ends

Comes with M8 threaded stem

Progressive 990 Series Shocks 12/13" Touring 80-21 BS365 - Air to fuel ratio:The most adjustable shock in the V Twin market, the 990 Sport series shock features complete adjustability with a 0. 4" adjustable height eyelet, rebound damping adjustment, High & Low Speed compression damping adjustment via easily accessible knobs, and threaded hand adjustable spring preload. The 990 features a high pressure monotube with deflective disc damping routed through two unique circuits delivering a consistent feel through the damper