Wheels Manufacturing Derailleur Hanger - 503 SID-B }SRAM PC-971 Chain - 9-Speed

}SRAM PC-971 Chain - 9-Speed 114 Links Silver/Gray

}Surly Disc Trucker Bike - 26" Steel Pea Lime Soup 54cm

6 Stanchion Diameter 35 Steerer Tube Length (mm) 245 Steerer Type Tapered Travel (mm) 140 Wheel Size 29"

(mm) 17 Manufacturer Number 3803 Material Steel Thickness 10

}Wheels Manufacturing Grade 25 3/16" Loose Ball Bearing: Qty 25

Wheels Manufacturing Derailleur Hanger - 503 SID-B }SRAM PC-971 Chain - 9-SpeedWheels Manufacturing Derailleur Hanger 503. Wheels Manufacturing hangers are stiffer than almost any OEM hanger which improves durability and shifting performance. OEM hangers are only produced by a handful of manufacturers mostly in Taiwan and China. As a result you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. CNC