• E-Tube wires, compatible with Di2 groups (except DA 7970) and STePS bikes
• Compatible with both internal or external routing
• 4 to 6 electric wires are required to complete the system, read below
• Junction B to FD/JCT B to battery: 2 wires needed; suggested lengths: -01/300mm, -02/350mm or -03/400mm
• JCT B to RD: 1 wire needed; suggested length: 600mm
• JCT B to handlebar area with SM-EW90 Junction A: 1 wire needed; suggested length: 1000mm
• Alternative: JCT B to handlebar area with internal EW-RS910 Jct A: 1 wire needed from Jct B to EW-JC200 2-port junction or EW-WU111 wireless module, suggested length 1000mm, plus 1 wire from EW-JC200/EW-WU111 to EW-RS910, suggested length from 400 to 600mm
• SM-EW90 JCT A to shifters: 2 wires (1 per shifter), lengths from 300mm to 400mm, or 1 y-split EW-JC130 cable
• Alternative: EW-RS910 JCT A to shifters: 1 y-split EW-JC130 cable

Every Day Free Shipping: Joe Mamma offers free shipping on all Canadian orders over $200 excluding complete bicycles and trainers. Customers are also welcome to pick up their orders in store at no charge, you can opt to do so at checkout (please await your order completion notice before coming to pick up your order). 

Shipping Policy: Orders will be shipped as soon as possible, customers will be notified if any delay should occur. If one part of your order is unavailable at time of order, your order may be fulfilled with multiple packages. Shipping charges are non-refundable. International clients please note that customs or brokerage fees are the sole responsibility of the purchaser.

Joe Mamma Cycles ships to both Canada & the USA! We use Canada Post, UPS & Fedex to get you the best price & use recycled packaging to reduce our environmental impact.