Friendly reminder:
We have 2 size main crankshaft bearing,you can choose the size according to your need.
Our STD Main Crankshaft Bearing,it just fits the STD 34mm main crankshaft,it means your Main Crankshaft without Abrasions!
If your main crankshaft have worn away,our STD main crankshaft bearing will not fit your crankshaft.Then the crankshaft need be processed,you can contact your mechanic,and let him tell you which size bearing you need to choose.
Clean the crankshaft before installing it!

Attention:
In order to avoid making troubles to you,please ensure this part fit for your motorbike!
Please contact us with any questions regarding the product at any time,especially for the size/year/brand/model.We will try our best to serve you.
You need to ensure you have the ability to install it!!!

Sincere regards to all buyer!