Shimano 105 FC-RS520 12 Speed Crankset Chainring:50/34 It weighs only about 30

It weighs only about 30 grams more than the comparable Ultegra model

Ensures a clean and straight cut

5 and 175mm

Replenisher can be used on its own down to 0F/-18C

Shimano 105 FC-RS520 12 Speed Crankset Chainring:50/34 It weighs only about 30The elegant shape and the chic finish round off the overall high quality impression of this Shimano FC RS520 2 x 12 speed 2 PIECE crankset. Matches the new 105 Di2 R7100 group. Features The Science of Speed: Shimano 2x12 speed Crank FC RS520 The next generation: Shimano 105 featuring Di2 draws on the design philosophy The Science of Speed bringing fresh momentum, comfort and control. It lets you embrace an open road, full of infinite possibilities. Go