Shimano 2x11-Speed Chainring 34T and 50T

This Shimano chainring for 2x11-speed drivetrains is designed for riders looking to refresh or replace their road bike crankset. The body is aluminium, with an asymmetric 4-arm design and a pitch circle diameter (BCD) of 110 mm. The manufacturer code varies with the finish: Y1WV34000 for black, Y1WV34010 for silver.

The 34T is the inner chainring and the 50T is the outer chainring. The recommended combinations are 34-50, 36-52 and 39-53 teeth, so match the chainring to the one already fitted to your crankset. Lower gearing, such as the 34T, makes climbing easier; higher gearing gives you more drive on the flat. Always check that the 110 mm BCD matches your crankset.

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.