Small Parts
 Road lever Quick Release Pin and Clip
 Barrel Adjuster R539/R737
 CL530 Lever Grip
 Tektro Plastic Bell Lever
 Road Caliper Retro Mounting Kit
 RX 4.1 & 5.0 Plug
Small Parts -> Barrel Adjuster R539/R737

(+ Enlarged View)
Product Name Barrel Adjuster R539/R737
List Price:$10.99

Replacement barrel adjuster for R580, R539 and R737

 -Includes screw, knob, and spring