K1 Laboratory Reinforced Long Hub Bolt

It is a reinforced long hub bolt that has been proven to be strong even in Super Taikyu.
The length from the hub seat surface is 46 mm (total length is 58 mm).
By making the bolt head spherical, it can contribute to shortening the time when changing tires.
I decided the length considering putting a spacer in the setting.
If it is too long, the strength will be uncertain and the time required for attachment and detachment will increase.

It will be the amount per bolt.

For each wheel, need 4 for a 4-hole wheel and 5 for a 5-hole wheel.