Bei HRC-Racing gibt es nun Goldkontakt-Adapter von 4 auf 5 mm (Stecker) und eine Reduzierung von 5 auf 4 mm. 
Englische Version
NEW – HRC Racing TSW Pro Racing Dual Gold Connectors and Reducers
HRC Racing just released it’s TSW Pro Racing 4mm & 5mm Dual Gold Connectors and 5mm to 4mm Reducers, for Hard Case LiPos with integrated gold plugs.
TSW Pro Racing items are “Team Secret Weapon” high quality racing products, used by HRC team drivers.
HRC9013A – Connector – Gold – TSW Pro Racing – Dual – 4.0mm & 5.0mm – Male (2)
HRC9013B – Connector – Gold – TSW Pro Racing – Dual – 4.0mm & 5.0mm – Male (10)
HRC9016A – Gold Connecter – TSW Pro Racing – Reducer tube – 5.0mm to 4.0mm (2)
HRC9016B – Gold Connecter – TSW Pro Racing – Reducer tube – 5.0mm to 4.0mm (10)
Available now !
Bezugsquelle:Fachhandel, 
und 
Quelle: HRCDistribution
Weitere Links
https://mikanews.de/2017/01/05/hrc-racing-kabelschutz/