Shimano Dura Ace Di2 9070 SM-AD90 Di2 Front Derailleur Band-On Adapter Black 28.6 / 31.8mm

The Shimano Dura Ace Di2 9070 SM-AD90 Di2 Front Derailleur Band-On Adapter. Band adapter to convert the Dura-Ace Di2 braze-on front derailleurs for bikes with a 34.9 mm seat tube and no braze-on mount.

Weight: 30g (34.9mm)

About Shimano 

Shimano are the world's most well known cycle component brand. Established in 1921 when the first cycle freewheel was forged. Shimano produce drivetrains, wheels, pedals, shoes, cycling clothing and pretty much every Shimano cycle accessory you can think of! Famous for their top end products ridden by the pro's, Dura-Ace and XTR, which cover both road and MTB's. At Shimano, they're doing everything they can to respond to heightened environmental concerns. Shimano are proud to be a producer of bicycle components that help people to enjoy outdoor sports and interact with nature through healthy non-polluting activities. In their 87 plus years of existence Shimano have accumulated a wealth of technology and product development and expertise that serves as the driving force behind their continually evolving product line.