Shimano 105 FC-R7000 11 Spd Chainring Option:Outer Aither is a multi-cell foam

Aither is a multi-cell foam compound that forms the structure of the Armour

Accurate to within +/- 4 percent

Three web cinch straps

(4) arrow parts for extending the downtube protection or for the chainstay or top tube

Positive lockout for leak-proof transport

Shimano 105 FC-R7000 11 Spd Chainring Option:Outer Aither is a multi-cell foamShimano 105 FC R7000 Chainrings Shimano 105 R7000 Series will empower more riders than ever before to embrace the sport of road cycling. It will become the supportive groupset that beginner riders choose to help them train for, and ride in more serious races. By combining trickle down technology with a greater accessibility, Shimano 105 will continue to motivate and inspire more riders than ever to go after greater challenges. Material: Aluminium