linear straight line tread

NOTE: Not for use with carbon seat rails or ovalized seat rails

Unique “thumb flange” makes it easy to apply pressure to the tire bead

with an unprecedented 520-percent range

Goggle inspired strap compatible temple tips

SHIMANO 105 R7100 Crankset - 2 x 12-Speed - 50-34t - 172.5mm garminpromo linear straight line treadThe newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are SHIMANO 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance.