DetailsS600/650:~ Labeling and finish mesh perfectly with SRAM drivetrain families. Forged arms increase the strength and reliability paired with smooth shifting 8, 9-speed chainrings - give you the best combination of looks, performance and price. SRAM's proven Power Spline and classic square BB interfaces are available. Intended to compliment SRAM's X.4 and X.5 families.
- • Arm Material: Forged Alloy
- • Ring mount size: 104/64mm
- • Compatible only with PowerSpline bottom brackets (not included)