Topeak Valve Extender Set - 70mm Pair Black MFPN=20074 }Shimano SM-JC40 Di2 External Frame

}Shimano SM-JC40 Di2 External Frame Junction Box 4-Port

Tooth Count 34 Ring Position/Type Chain Retaining Single Ring Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 104 Color Red Defined Color Red Material Aluminum

Designed with the rider in mind the microSHIFT ADVENT rear derailleur packs trail-ready features into an attainable wide range drivetrain system

''Half Pipe'' 58mm grip made of ultra-resistant Grilon with a painted finish

Topeak Valve Extender Set - 70mm Pair Black MFPN=20074 }Shimano SM-JC40 Di2 External FrameTopeak Valve Extender Set 70mm Pair Black. Machined from durable aircraft grade aluminum alloy to conveniently extend length of two piece type Presta valves to aid inflation. Durable aluminum alloy valve tool is designed to easily tighten or remove two piece type Presta valve cores and valve extenders. Two extenders and valve core tool included