1. These BSA shells allow to fit any kind of 71806 bearings in a BSA 68/73 frame.

Whether standard ball bearing, angular contact or ceramic-hybrid, double sealed or no seals at all - You can choose.

No special tools for mounting required, your regular 12-Notch nut will fit.

In case of replacing the bearings, you can easily push the bearings out of their seat.

Simply place 4 dowel pins (recommendation: ∅3×30) in the bores and press out the bearing.

OpenSource Parts:

All accessories will be free to download and replicate if needed with your 3D printer.

That's how you get biggest flexibility and save on shipping cost.

Note

Ceramic-Hybrid bearings are not ideal for MTB.

Please keep the higher wear in mind, as these are not made for impacts.

Ceramic-Hybrid are meant for Road/Gravel use.

What's in the box:

• BSA Bearingshells with 71806 Bearings
• Sleeve

• 29mm option, Spacer:

2x 1mm, 3mm, 5mm, 7.5mm, Adaptor for 29mm

• 30mm option, Spacer:

2x 1mm, 2mm, 3mm, 5mm, Bearing shield

Downloads:

- Coming soon -

Or request via contact form