SHIMANOCS-MX66 DX Bicycle Cassette Cog

Worked out great for my 2006 Se BM FLYER 29" BMX CRUISER

Well you can't go wrong with Shimano excellent quality no problems wish they were a little cheaper though

I used this to replace the cassette on my commuter bike for a single speed conversion. Perfect for what I needed. I see no reason to get anything more expensive for a single speed with a regular hub. I have since switched to a different system (WI eccentric + freewheel) for better chain tension. With horizontal dropouts or a tensioner this is the perfect cog.

Shimano is the biggest for a reason, and this cog is proof of that. Extremely well made and finished, and it won't break the bank. Buy this one, you will not be sorry.

best deal on singlespeed cogs. Made in Japan and typical shimano quality. These do fit on 8/9/10 speed road freehubs although it doesn't explicitly state that this is the case. There are better cogs with wider inner contact surfaces but they cost like 5x more...

A+

This cog replaced my cassette on my mountain bike and it works perfectly. I highly recommend. Breath new life into your old geared bike by going single speed.

No chain popping if you use for a single speed conversion