Electrical Tools
IWISS SN-28B Ratcheting Crimper (Dupont / JST-XH)
Most e-bike signal wiring — display, throttle, brake sensors, PAS sensor — uses small crimped pins, and a ratcheting crimper is the difference between a connection that lasts and one that fails on a bumpy road. The SN-28B is the inexpensive ratcheting crimper that handles Dupont-style and JST-XH pins, which covers a lot of the small terminals you will meet when repairing or extending harnesses. It does not crimp the larger battery-side connectors like XT60 or Anderson, which are soldered or need a different die. Learn on scrap wire first; a correct crimp takes a little practice.
Best for: Repairing display, throttle and sensor pigtails · Extending harnesses · Small JST and Dupont terminals
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