How To Install 7 Speed Cassette On 8/9/10 Speed Hub

I show what you need to do to mount a 7 speed cassette on to a bike wheel hub designed to fit 8, 9 or 10 speed cassettes. It involves mounting a 4.5mm spacer onto the hub. But you may need to file notches into the spacer to avoid having the cassette wobble. The wobble is caused by uneven rivets. I found these on Shimano cassettes.

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[MaxShumanov]

you literally have a video for every question i have. Thanks!

[elainemcardente]

You can also file off the rivet ends and remove the rivets to make the back of the cassette flat. The purpose of the rivets is to keep the cogs aligned and together when they are off the bike for convenience (not necessity), but they don't serve any purpose when the cassette is mounted on the wheel.

[BoNeS]

Thank you! You just saved me having to buy an 8 speed derailleur and shifter!! :D

[kojikabuto]

You have the best videos... I read and read and read about by repairs, but at the end of the day, nothing beats the visuals on your videos. Thanks for sharing.... U make it seem simple. Thanks again.

[keithbieghler]

I sware you dont get enough credit for these vids thank you you da man

[Erock]

thanks for posting this specific fix, to get an older cassette to work with a newer hub. Saved me trying to guess on spacers!

[AHammond]

This is the EXACT information that I needed. Thanks so much RJ!!

[id]

I literally have been searching for hours and you solved it for me. Thanks so much!

[robt]

You are a champion RJ. Have just got a Trek 7.1Fx and put on some wheels with 8speed hub. Need to put a 7 speed cassette on. Cheers mate.

[PhaseP]

Thanks much for posting this! Your video informed me about spacer thickness and how to do the notches. Just finished doing this on the wheel I bought. I first put without notches on the spacer. The spacer was aluminum and rivet heads pressed their marks on the spacer, there was some wobble. After filing out the notches, no wobble!

[norcal]

Best bicycle videos on youtube man! Keep it up! I have a new wheelset on the way for my Trek 7.1 FX. I will be facing this exact scenario when I put the new rear wheel on my bike. Thanks for the super helpful videos. It is individuals like yourself who make youtube such an indispensable resource!

[marvinhoffmann]

Thank you so much!! I was thinking of just upgrading all my components to 9 speed, but it turned out to be more expensive than I thought. I'll upgrade someday, but for now, I get to get my bike rolling with my new rims for just a few additional bucks for the spacer.

[weedfoxs]

your videos are extremely helpful! have saved me a lot of money and time, i love vintage bikes and im having to upgrade things and your videos are just perfect. keep em coming! thanks.

[Mangouk]

Holy Moly! RJ needs to be cloned so that we always have his wisdom on tap. Thank you so much for what you do for us home tinkerers from around the world. This was exactly my problem - trying to fit a 7 speed cassette on to a Mavic 217 speed hub. Now, sorted!

[utriderzero]

This info is a godsend.  I am switching over to disc brakes (BB7s) on a V-Brake  Trek 8.2 and have a two 7 Speed Cassettes (one 14-34 and the 11-34 which will be part of this upgrade).  I can't find an affordable 7 Speed disc ready hub wheelset and this little tutorial just saved me a whole lot of grief!  4.5 mm spacer added to the list!

[shembalguma]

HOPE THIS HELPS? PHUCKING YEESSS THANK YOU SO MUCH BIKE GUY... APPRECIATE YOUR EFFORTS

[tracyisaac]

Thanks the video is 8 years old I just purchased a electric bike kit that needed cassette and spacers. This video was the answer.

[wizardnetwork]

Thanks, that was exactly what I was looking for. Nothing like good quality videos to help amateurs figure out what we're supposed to be doing. (grin)

[AirVelocitySport]

You are amazing! Thank you! I have watched so many of your videos to help me rebuild my 25 year Mongoose Rockdile.

[gieduardo]

Thanks for the video this is driving me crazy that my cassette wiggles and i thought my new hubs is defective. Keep it up!