Shimano Front Chainwheel FC R8100 Ultegra For Rear 12Speed Sunglasses Built just as tough but

Built just as tough but shorter and more packable

See how your weight has changed during the past 30 days

Quick-drain vinyl mesh bottom

♦Laser-cut thumbholes extend sun protection to the tops of your hands without adding unnecessary bulk to the cuffs

Shimano Front Chainwheel FC R8100 Ultegra For Rear 12Speed Sunglasses Built just as tough but"ULTEGRA's new FC R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but with even more crank arm length options. Spanning 160 to 175 mm in length, ULTEGRA cranks now cater to smaller riders, triathletes, and cyclists curious about shorter crank arms. An integral part of Shimano's new 12 speed road lineup, the FC R8100 crank builds upon Shimano's legendary front