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Spacer For Shimano 8/9 Speed Body to 7 Speed Conversion

Customer Reviews (1)
5 / 5| Write your review
£3.20 Please note this product has selling restrictions to your country. was
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SJS Cycles part number : 
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Product Reviews (1)
Questions & Answers (1) Q & A
Alloy, fits onto body first behind cassette
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Product Reviews (1)
Overall Product Rating 5 / 5
Exactly What I N Eeded
26 Jul 2013
5 / 5
I recommend this product
ProsEase of use, correct size
I wanted to use the back wheel and hub from an old bike (8 speed) on my present bike (7 speed). Of course this has the problem of the splined freewheel being too big (designed to take 8 not 7 cogs). This spacer is what I needed.
The spacer fits behind (ie. closest to the hub) the 7 speed cassette when put on the splined freewheel that was designed for 8 speed cassettes. The three cutouts that you see in the picture fit the three rivet heads that hold the cassette together. Fitting it is a piece of cake, but if you've never taken a cassette off a bike before (need a chain whip and a splined removal tool) don't be worried about the grating noise that you get (it's caused by the underside of the locking ring being ridged).
Once fitted I found that I had no need to adjust the rear mech, it just worked.
Questions & Answers (1)
27 Jun 2015
Is this a 4.5 mm spacer to add to the back of 7 speed cassette to fit into a 8/9/10 freehub body?
SJS Customer Service:

You are correct, this is indeed a 4.5mm spacer to allow the fitting of 7spd cassettes onto freehub bodies for 8/9/10spd.