A rachet includes a round equipment or a linear rack with the teeth, and a pivoting, spring-loaded finger known as a pawl that engages one’s teeth. The teeth happen to be uniform but asymmetrical, with each tooth having a modest slope using one edge and a much steeper slope on the additional edge.
When one’s teeth are moving in the unrestricted (i.electronic. forward) course, the pawl quickly slides up and over the lightly sloped edges of one’s teeth, with a spring forcing it (generally with an audible ‘just click’) into the depression between your teeth as it passes the idea of every tooth. When one’s teeth move in the contrary (backward) direction, on the other hand, the pawl will get against the steeply sloped border of the 1st tooth it encounters, thus locking it against the tooth and preventing any further motion in that direction.
Backlash
Because the ratchet can only just stop Ratchets Wheel backward action at discrete factors (i.electronic., at tooth boundaries), a ratchet does allow a limited amount of backward motion. This backward motion-which is limited to a maximum length add up to the spacing between the teeth-is called backlash. In cases where backlash must be minimized, a even, toothless ratchet with a higher friction surface such as rubber is sometimes used. The pawl bears against the surface at an angle to ensure that any backward movement will cause the pawl to jam against the surface and as a result prevent any more backward motion. Because the backward travel distance is generally a function of the compressibility of the excessive friction surface, this device can lead to significantly reduced backlash.
This Ever-power 54t Ratchet kit works as a direct replacement and is super easy to install. Just remove the freehub human body the parts you see here will maintain there, grease up the new parts and re-assemble the hub. Boom! You’ve only considerably increased the engagement factors on your hub. To give 
you a better idea of how this boosts your ride think of the engagements in levels of a circle, with the 18t you need to maneuver the cassette 20 degrees to reach another engagement and with the 54t that knocks it down to 6.66 degrees! That’s less than a 3rd the length it needs to go to hit the next tooth! You might be wondering if you can really start to see the difference. Simply pedal your motorcycle around and keep the bike moving by using small pedal strokes and back-pedaling. You’ll see there’s going to be lot’s of slop between engagements. Imagine if that “slop” was decrease to a third! I’m sure you can imagine that’s a huge upgrade. Therefore, if you weren’t already totally convinced on the 54t ratchet system I hope this can be the turning indicate getting one!