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
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Specs
Size
Metric
Imperial
This is a size chart.
Geo
Metric
Imperial
Geometry of this bike.
Reach
Horizontal measurement taken from the middle of the bottom backet to the middle of the headtube.
Stack
Vertical measurement taken from the middle of the bottom bracket to the middle of the headtube.
Effective Top Tube
Horizontal measurement taken from the middle of the seatube to the middle of the headtube.
Actual Top Tube
True length of the top tube taken from the seatube along the toptup to the headtube.
Standover Height
Vertical measurement taken from the ground to the the middle of toptube.
Seat Tube Angle
Angle of the seatube.
Seat Tube Length
Lenght of the seat tube taken from the bottom bracket to the top of the seat tube (the measure is taken alongside the seat tube)
Headtube Angle
Angle of the headtube.
Headtube
Vertical lenght of the headtube.
Chainstay
Horizontal measurement taken from rear axle to the bottom bracket.
Wheelbase
Horizontal measurement between the two wheel axles.
BB Height
Vertical measurement taken from the ground to the bottom bracket (Never taken at sag).
BB Drop
Vertical measurement between the height of the axles and the height of the bottom bracket.
