8 speed cassette onto a 9 speed hub

bigmitch41

Will a 8 speed cassette fit onto a 9 speed hub all Shimano spec, & will this need a spacer?

Thanks in advance.

veronese68

Pretty sure that will go straight on.

keef66

Yup. 8/9/10 speed Shimano freehubs all the same width.

No spacer needed for 8/9 speed cassettes or indeed for 10 speed Tiagra.

You'd need one for 10 speed 105, Ultegra or Dura-Ace

bigmitch41

Weird, I fitted my old 8 speed cassette on the new wheel/hub last night and had play in the cassette, like the hub was slightly longer, ill measure it tonight. Thanks for all the reply's

keef66

You sure it's not a Shimano 11 speed compatible freehub?

bigmitch41

It could be Keef, but the guy who owns the wheels thinks its a 10 speed hub, but after fitting the 8 speed cassette and lockring (ok I didn't torque it to 40nm) last night, I had play in the cassette, I see the 11 speed hub is about 1.8mm wider than 10 speed.

killabeezz

Can I ask please,
If this was an 8 speed cassette on a 11 speed hub ? what size spacer would be needed ?
Thank you

svetty

killabeezz wrote:

Can I ask please,
If this was an 8 speed cassette on a 11 speed hub ? what size spacer would be needed ?
Thank you

1.85mm

killabeezz

Thank you Svetty

bigmitch41

Ordered a 1.85mm spacer from ebay and fitted it last night, all sorted now thanks all

P.s. it was an 11 speed hub, just to confirm.

keef66

Marvellous. I do like a happy ending

bigmitch41

Cheers Keef and thanks for pointing me in the right direction.

Wayne Plunger

keef66 wrote:

Yup. 8/9/10 speed Shimano freehubs all the same width.

No spacer needed for 8/9 speed cassettes or indeed for 10 speed Tiagra.

A Google search brought me here and answered my question. Thank you.