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Problem Solvers UP-CUP Shimano Alloy Cups


5.0 Stars 5 Reviews




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68mm (Left Side)


Available to ship
All Warehouses49 - Jul 24th
54 - Jul 28th

pickup_biking_man Available for pickup
Portland, OR0 - Jul 24th
   If ordered now...54 - Jul 28th
Ogden, UT0 - Jul 24th
   If ordered now...2 - Jul 25th
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73mm (Left Side)


Available to ship
All Warehouses39 - Jul 24th
39 - Jul 28th

pickup_biking_man Available for pickup
Portland, OR0 - Jul 24th
   If ordered now...39 - Jul 28th
Ogden, UT0 - Jul 24th
   If ordered now...39 - Jul 30th



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Customer Ratings

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5.0 out of 5 (5 ratings)

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Customer Reviews

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Used this to replace the plastic cup that comes with the Shimano UN54 bottom bracket. The piece is well machined and fit well enough into my frame. No squeaking or worrying about cracking the plastic cups.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: March 29, 2011
Reviewed by: Kenneth A.

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This is a well made and nicely finished part that functions perfectly and looks great doing an unglamorous job. It fits perfectly and looks nicer than the Shimano alloy cup.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: January 23, 2011
Reviewed by: Alex

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Better than plastic!

Bought this product the instant my plastic Shimano cup (well the 4th one) cracked inside the bottom bracket. Shimano used to provide a nice metal cup for their bottom brackets, but now they supply a cheap plastic cup that breaks when you try to remove it. These cups work well. My only issue has involved using the Problem Solvers product on an older Shimano UN## BB and that the cup did not fit at all over the bottom bracket shell. This product also has a raised lip on end of cup that stops user from fine tuning the chainline. Older Shimano metal cups allowed rider to screw cup into the BB shell to adjust chainline.

Pros: Metal, doesn't break when installed.

Cons: might not fit some older Shimano UN## bottom brackets, cup does have a lip on it that doesn't allow rider to fine-tune chainline by moving the cup inside the bottom bracket shell (older metal Shimano cups can be screwed into the BB shell a bit to tweak chainline).

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: January 18, 2011
Reviewed by: Mark K.

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Excellent Replacement to Plastic Cup

This is an excellent replacement to the plastic cup that comes standard with the Shimano BB-UN54 Bottom Bracket. Easy to install and can handle a higher torque spec like on the drive (right) side.

Pros: Durable, excellent replacement to the plastic cup

Cons: Expensive

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: January 10, 2011
Reviewed by: Sean S.

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This is what you need if you get one of Shimano's bottom brackets that use the plastic cup. The plastic cup is terrible but this solves that problem and looks to be better made then some of the other aluminium cups on my Shimano and Sugino bottom brackets.

Pros: Well made, does the job the Shimano plastic cup fails at.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: December 09, 2010
Reviewed by: Brian K.

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