Zipp Service Course Stem - 80mm 31.8 Clamp +/-6 1 1/8" Aluminum Blast BLK B2 Model=Dura-Ace RD-9150 Rear Derailleur }Odyssey Bluebird Chain - Single

}Odyssey Bluebird Chain - Single Speed 1/2" x 1/8" 112 Links Silver

Internal Velcro strap reduces bulging

Color Black Bottle Type Bike Access Style Top Weight 22 Mount Type Bolt-On Material Carbon Defined Color Black

Compatible with 9 10 11 and 12-speed (excluding Shimano 12-speed chains)

Zipp Service Course Stem - 80mm 31.8 Clamp +/-6 1 1/8" Aluminum Blast BLK B2 Model=Dura-Ace RD-9150 Rear Derailleur }Odyssey Bluebird Chain - SingleZipp Service Course Stem 80mm 31. 8 Clamp + 6 1 1 8" Aluminum Blast Black B2. The Zipp Service Course stem delivers all you look for in a high performance stem strength stiffness reliability a precise fit and great visual look. The SC stem offers a new faceplate and body design for greater stiffness and easier installation at a price that meets any riders budget. Forged AL 6061 Machined and relieved faceplate Features stainless steel hardware with