Shimano 105 FC-R7000 172.5mm Left Crankarm Black ModelNumber=K4023 Every high-quality Galfer-patented Wave® rotor

Every high-quality Galfer-patented Wave® rotor is made from a proprietary mix of virgin high carbon 420 stainless steel laser cut (never stamped) double disc-parallel ground to assure perfect parallel flatness and heat treated to each specific application

Model Neos Diameter 31

The small Twist bottle 450 has an optimized easy squeeze thanks to a softer material

Color Options- Black or Blaze Orange (special order)

Alloy body with steel spindle for durability

Shimano 105 FC-R7000 172.5mm Left Crankarm Black ModelNumber=K4023 Every high-quality Galfer-patented Wave® rotor105 Left Crank Arm Color Black Spindle Interface Type Hollowtech II Length 172. 5