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20% offretail $29.99 your price $23.99
Buy PART NUM 950386
Shimano Alfine CT-S500 Chain Tensioner.
- Do not use with a coaster brake or fixed gear
- 20 tooth max rear sprocket
- 16 tooth chainwrap capacity
- 41.8mm chainline
- Uses washers on on the mounting bolt for 5mm of chainline adjustability
Item SpecificationsColor: SilverUnit of Sale: EachFits: AlfineChain Compatibility: 3/32"
Shimano Alfine CT-S500 Chain Tensioner Silver20% offretail $29.99 your price $23.99
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Customer reviews of this product:
Alfine CT s500 chain tensioner
by UMN commuter on October 12, 2016
Ownership: a month
Tech Knowledge: high
Pros
Strong spring, easy to instal, adjustable, makes conversion easy, silent
Cons
Not enough washers provided, hard to adjust
Other Thoughts
I understand that it was designed for a specific wheel, which I am not using, but I think it could easily be universal and the guide wheels should be centered to the threads and/or adjustable. I have a bin full of washers and I used those to get the chain line straight and it works great for a commuter bike on campus. I would not trail ride this bike like I did with the ridged tensioner it replaced.
shimano alfine chain tensioner
by Dean E. of Bradenton, FL on February 10, 2015
Ownership: more than a year
Tech Knowledge: low
Pros
exactly what was needed to modify a cassette rear deraulier to internal hub gearing. this tensioner is much better than manually adjusting the chain tension.
Cons
none, yet
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