N+1 BikesRockShox Rebound Fork Damper Knob Kit 29" SID B2+ (2017+)/Reba A7 (2018+)
$20
The creators who use it, or GearCred, may earn a commission when you buy through these links, at no extra cost to you.
From N+1 Bikes
Replacement rebound knobs for RockShox forks.