SRAM's new timing port closure system features durable seals and an ultra-smooth cylinder bore finish

these are used for setting wheels up tubeless

heat treated alloy steel with nickel finish

10mm size is sold as a set of 4 bolts only (no nuts) for threaded 104 x 30T chainring

WEIGHT: 555g (175mm

RockShox Reverb Service Kit - 400 Hour-2 Year - B1 Stealth Envelope Shipping SRAM's new timing port closureGenuine Rockshox Reverb B1 Stealth Service Kits 400 Hour Service Kit 11. 6818. 031. 001 200 Hour Service Kit 11. 6818. 031. 000 Kits require the following tools for service: Reverb oil. IFP height tool. Reverb post bleed tool. Reverb oil height tool.