Fully CNC machined with aircraft aluminum alloy for lightweight strength
Examine the position of the chainring with respect to the cassette. If the center(ish) cassette cog aligns to the inside of the chainring, you may benefit from using the spacers. ... If you spend most of your time riding in the bigger cassette cogs, using the spacers will help with drivetrain efficiency.
وصف
(Set of 5) USAmade 4.18mm aircraft aluminum chainring spacers.- NEW- Performance Driven- Made in the U.S.A.