- One-piece chromoly crankset - 24TPI - Length: 175mm - Weight: 997g
$36.99 - $39.99
Shimano Altus M311 cranksets provide durability and reliable shifting for triple chainring drivetrains. - Hyperdrive SG-X chainrings - 7/8-speed compatible - Spindle interface type: Square Taper JIS
$51.99 - $59.99
Shimano Acera FC-M361 cranksets feature sturdy construction, reliable shifting, and replaceable chainrings. - Spindle Interface type: Square Taper JIS
Sporting a supreme strength-to-weight ratio, Specialized's S-Works Carbon Mountain Crank Arms are super stiff and ready to propel you up the trails. With a self-extracting bolt for easy maintenance, these fourth-generation hollow crank arms feature an oversized aluminum spindle with a spline interface. It fits all frames with 73mm bottom bracket shell and includes all hardware for Pressfit 30.
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