MSW Chainring - 30T 74mm BCD Inner Black CheckoutTitle=RockShox Air Shaft - Sid B1 80-29 Use only the stock Shimano

Use only the stock Shimano XTR chainring bolts (M7x

8 Color Blue Weight 357 Width 800 Defined Color Blue

Length (mm) 44 Material Aluminum Defined Color Red Valve Core Removable Valve Presta Med 41-55mm

Stelvio adds strategic venting without sacrificing speed—making it the ultimate all-rounder for mountain stages

Also compatible with Campagnolo 13-speed chain

MSW Chainring - 30T 74mm BCD Inner Black CheckoutTitle=RockShox Air Shaft - Sid B1 80-29 Use only the stock ShimanoMSW Chainrings. Ring Position Type Inner Tooth Count 30 Drivetrain Speeds Single Speed 3 32" Chainring BCD 74 Color Black Defined Color Black Position Inner Bcd 74Mm