Bicycle Components & Accessories

SHIMANO RD-M640 Zee Shadow Plus 10 Speed Rear Derailleur (Use with 11-32/11-36 Cassette) Shadow Plus technology keeps the low profile shape reducing chainstay and other contact, and adds a chain tensioning device reducing noise and dropped chains Compatible with Dyna-Sys 10 speed Shimano products Aluminum construction with sealed... SHIMANO RD-M640 Zee Shadow Plus 10 Speed Rear Derailleur (Use with 11-32/11-36 Cassette)