Cranksets

Shimano's Ultegra Compact Crankset boasts hollow-forged-aluminum arms and a hollow aluminum big ring. These technologies combine for impressive weight savings and superb strength. An integrated bottom bracket axle provides super-efficient power transfer, while chainrings with ramps, pins and notched teeth deliver lightning-quick shifting.

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

SRAM's Force 22 Crankset uses unidirectional carbon arms with a forged aluminum spider and integrated bottom-bracket axle to ensure top-notch stiffness for awesome power transfer and exceptionally low weights. Experience phenomenal front shifting with SRAM's X Glide R chainrings that start out as 5mm-thick aluminum plates and then precision machined to eliminate all unessential material while retaining extreme stiffness. With so much great technology and 11-speed compatibility, they're a force to be reckoned with.