No idea about junction box but syncro shift is reverse compatible if you upgrade to new battery
Nope unless you want to drill your enve bars
Steve jobs style presentation have taken over world.
@wildwest started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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No idea about junction boxbut syncro shift is reverse compatible if you upgrade to new batteryNope unless you want to drill your enve bars