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    Location: United StatesMember since: Sep 29, 2007

    All feedback (313)

    • crimsonstallionsales (21265)- Feedback left by buyer.
      More than a year ago
      Verified purchase
      Quick response and fast payment. Perfect! THANKS!!
    • amprider (899)- Feedback left by buyer.
      More than a year ago
      Verified purchase
      Excellent transaction. Quick payment! Thanks!
    • retrobicyclesupply (50693)- Feedback left by buyer.
      More than a year ago
      Verified purchase
      Excellent buyer. A++++++.
    • maryam-mmeng (7984)- Feedback left by buyer.
      Past month
      Verified purchase
      Good buyer!thanks!!A+++++
    • inkjetofficesupplyllc (109952)- Feedback left by buyer.
      Past 6 months
      Verified purchase
      Thank you for an easy, pleasant transaction. Excellent buyer. A++++++.
    • ralezaink (1991)- Feedback left by buyer.
      Past 6 months
      Verified purchase
      Hope to deal with you again. Thank you.
    Reviews (1)
    Shimano BB-UN300 Bottom Bracket - English, 68 x 122.5mm Spindle,Square Taper JIS
    Sep 15, 2022
    OK on a budget, but higher quality BB's are available. "You get what you pay for"!
    Pros - Priced right. Turns smoothly. Cons - Bearings are smaller than other BB's. Aluminum caps are soft and easily dinged. Chinese knock-off tool does not fully engage the 20 notches in the caps - Park tool works OK. The "K" version comes with a spacer on the drive side that needs to be removed for normal use. Shell cavity must be free of any protrusions such as screw tips from cable guides, or tube ends that protrude into the shell cavity. Axle is solid (heavy). This is not typical of Shimano quality! If you are replacing a sealed bearing BB, installation should be straight forward. Recommend a higher quality unit unless there are budget constraints.

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