3RACING KZ-07B Outer Tuned Ball Differential Shaft Rebuild Kit for Kyosho Mini-Z MR-015  [KZ-07B]

Service and upgrade overview for Kyosho Mini-Z MR-015

For RC drivers wanting to keep a Kyosho Mini-Z MR-015 running smoothly, the 3RACING KZ-07B rebuild kit supplies a direct replacement for the outer tuned ball differential shaft. The kit helps refresh worn parts so your micro car retains predictable handling during practice and club racing.

Compatibility and fitment details

This 3RACING rebuild kit is made to fit the Kyosho Mini-Z MR-015 without modification, allowing straightforward installation. Replacing the outer tuned ball differential shaft restores smooth gear engagement and consistent cornering response.

Fitting tips and upkeep

Fitting the kit is approachable for most hobbyists. Clean the area and inspect bearings and gears before assembly to prevent premature wear and to extend the life of the differential components.