e*thirteen e*spec Direct Mount Chainring - Steel Variant:Bosch CX Gen4 Since its debut in 1998

Since its debut in 1998

The JoeBlow® Booster pump just made it easier to install tubeless tires

175 x 73mm: 608g

stiff and durable DUB spindle interface fits nearly any frame

rather than isolating the head from the rest of the body

e*thirteen e*spec Direct Mount Chainring - Steel Variant:Bosch CX Gen4 Since its debut in 1998Upgrade your e bike drivetrain with our e*spec Direct Mount Chainrings. Our M3 narrow wide tooth profile reduces weight without compromising on chain retention. While the steel version is a direct OEM replacement, the premium aluminum versions provide cleaner aesthetics, lighter weight, and long lasting performance perfect for when you're ready to upgrade from your original ring. Conquer your e bike trails at a great pricepower up your drivetrain now!