DaBomb Components - "9 to 1" kit install

If you have a multi-speed bike and wanna ride Dirt Jump / BMX, what should you do?
There’s an easy way to solve - “9 to 1” kit.

It included the Cr-moly 16T & 18T sprocket for you choose.
Also included the alloy spacers*2 and lock ring*1 to replace the original sprocket.

This kit can convert a multi-speed bike into a single-speed DJ/Street bike, it's simple to use the original hub with Da Bomb “9 to 1” kit.

Btw, if your hub is 10/11 speed, please attention to add the spacer which coming with original hub normally.

9 to 1 : https://www.dabombbike.com/weapon.php?m=d&pid=54&cid=18&f=18

What special of DaBomb UFO Rear Hub

Our UFO rear hub series are both special design - the grease filling port. You don't need to disassemble, and easy to access for maintaining the ratchet. Can you find out another special function in this video?
I think you should hear that, there's two different sound during operation. If you filling more grease, the sound will be softly. If you filling less grease, the sound will be loudly.
UFO R-142+QR: https://www.dabombbike.com/weapon.php?m=d&pid=164&cid=14&f=14 UFO R-148 BOOST: https://www.dabombbike.com/weapon.php?m=d&pid=165&cid=14&f=14 UFO R-150/157: https://www.dabombbike.com/weapon.php?m=d&pid=166&cid=14&f=14