![Finally got around to replacing a UN26 BB with a UN300. I was shocked at how decent this thing is for $20. Bearings are the same size carts as Phil Wood. But this has additional rubber seals on the cups. When this thing wears out in 20,000 miles I'm putting ... Finally got around to replacing a UN26 BB with a UN300. I was shocked at how decent this thing is for $20. Bearings are the same size carts as Phil Wood. But this has additional rubber seals on the cups. When this thing wears out in 20,000 miles I'm putting ...](https://preview.redd.it/zgp4n07jb3691.jpg?auto=webp&s=3b87d8c1fc8f8101a3f0035dc7fc25c2e7942c0d)
Finally got around to replacing a UN26 BB with a UN300. I was shocked at how decent this thing is for $20. Bearings are the same size carts as Phil Wood. But this has additional rubber seals on the cups. When this thing wears out in 20,000 miles I'm putting ...
![Promo Shimano Bottom Bracket Kotak BB UN 300 W.O Bolt Diskon 14% di Seller Serba Sepeda Official Store - Kota Bekasi, Jawa Barat | Blibli Promo Shimano Bottom Bracket Kotak BB UN 300 W.O Bolt Diskon 14% di Seller Serba Sepeda Official Store - Kota Bekasi, Jawa Barat | Blibli](https://www.static-src.com/wcsstore/Indraprastha/images/catalog/full//91/MTA-20819042/shimano_shimano_bottom_bracket_kotak_bb_un_300_w-o_bolt_full02_gl5js40n.jpg)
Promo Shimano Bottom Bracket Kotak BB UN 300 W.O Bolt Diskon 14% di Seller Serba Sepeda Official Store - Kota Bekasi, Jawa Barat | Blibli
![SHIMANO BB-UN300 Bottom Bracket - English, 68 x 110mm Spindle, Square Taper JIS : Sports & Outdoors - Amazon.com SHIMANO BB-UN300 Bottom Bracket - English, 68 x 110mm Spindle, Square Taper JIS : Sports & Outdoors - Amazon.com](https://m.media-amazon.com/images/I/415ck5sQ40L._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA169%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
SHIMANO BB-UN300 Bottom Bracket - English, 68 x 110mm Spindle, Square Taper JIS : Sports & Outdoors - Amazon.com
![Shimano BB-UN300 Bottom Bracket - BSA 68mm - JIS Square Taper - 115mm (D-H) incl. crank mounting screws Shimano BB-UN300 Bottom Bracket - BSA 68mm - JIS Square Taper - 115mm (D-H) incl. crank mounting screws](https://images.bike24.net/i/mb/d3/cd/f0/shimano-bb-un300-innenlager-bsa-68mm-jis-4-kant-115mm-980860.jpg)
Shimano BB-UN300 Bottom Bracket - BSA 68mm - JIS Square Taper - 115mm (D-H) incl. crank mounting screws
![Amazon.com : Thinvik Square Tapered Bottom Bracket - 68mm English BSA Compatible with Shimano BB-UN26/BB-300/BB-100/BB-101, 68mm x 108 110 113 116 118 122.5 127 : Sports & Outdoors Amazon.com : Thinvik Square Tapered Bottom Bracket - 68mm English BSA Compatible with Shimano BB-UN26/BB-300/BB-100/BB-101, 68mm x 108 110 113 116 118 122.5 127 : Sports & Outdoors](https://m.media-amazon.com/images/I/4128VEdAVnL._AC_SY1000_.jpg)