Zinc Zinc Alloy 28.6 31.8 34.9mm Reducing Spacer Conversion Shim Gear Clamp Adapter Bike Front Derailleur

Label:Yes Type: Front Derailleur Conversion Shim Material: Aluminum Zinc Zinc Zinc Zinc Alloy Quantity: 2pcs =1 set Package includes: 2pcs Conversion Shim Color: Black

Function: It can convert the tube in the frame of 28.6 to the diameter of 31.8MM, so that you can use the front dial of 31.8 (The other two models have the same effect, but the specifications are different) Specifications:

28.6 conversion 31.8

28.6 conversion 34.9

31.8 conversion 34.9