e*thirteen e*spec Direct Mount Chainring - Steel Variant:Bosch CX Gen4 stiff and durable DUB spindle

stiff and durable DUB spindle interface fits nearly any frame

Chain management features

the current SILCA Disc Wheel Adapter with 252 gasket excelled by posting a blow-off pressure of 393psi where other designs were unable to reach 120psi

TransTextura laser-cut seamless bib straps provide ultra- elastic and silky soft feel

rather than isolating the head from the rest of the body

e*thirteen e*spec Direct Mount Chainring - Steel Variant:Bosch CX Gen4 stiff and durable DUB spindleUpgrade 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!