The reinforced wheel bearing from Swiing has been specially developed for the front and rear spoke and cast wheels of the Puch Maxi models with a 29mm wheel bearing seat. Originally, the bearing balls were installed individually, which made the replacement time-consuming and tedious. This innovative warehouse from Swiing makes switching significantly easier. It is a ball bearing that is closed on both sides and is sealed with a dust cover. This version of the bearing has an outer diameter of 29.02 mm, which provides a safer grip in the wheel hub bearing seat compared to the previous version.Important dimensions:Inner diameter: 12mmOuter diameter: 29.02 mmWidth: 9 mmDuring installation, make sure that a long spacer is clamped between the ball bearings. This ensures that the bearings pres.