What makes you think that the O-rings in the spare bag wouldn't be enough?
You can pick up the matching sizes from
reddit and from this local post:
https://www.fasttech.com/forums/9648813/t/2684501/?2684602If you feel you need additional O-rings the choices are here:
Rubber:
SKU 9670109Silicone:
SKU 9693649Use the model dropdown menu to choose sizes, colors and quantities.
Differences between rubber and silicone:
- Rubber is more firm but ages/dries faster.
- Silicone is more heat resistant, softer and more pliable, but tears easier.
Edited on 9/23/2019 at 7:29 AM. Reason: