By installing an aluminum axle collar, you can reduce the amount of unsprung load due to weight reduction.
 
○Machined aluminum
○Alumite finish
○Front weight: 20.7g (normal 68.75g/1 piece)
○Rear right weight: 19.6g (normal 55.88g)
○Rear left weight: 28.1g (normal 78.02g)