Cost effective replacement
"Shimano square taper bottom brackets just work. Easy to install with the spike tool. Just remember to grease or use never seize when installing into a steel frame, as the metals will fuse together."
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Shimano
Shimano UN300-K Square Taper Bottom Bracket
Shimano UN300-K Square Taper Bottom Bracket
Regular price
$15.99
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$15.99
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Product ID: GM060120-15
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View full detailsDescription
Shimano UN300-K Square Taper Bottom Bracket
SHIMANO - Square Type Bottom Bracket - MTB - Standard Structure
- SHIMANO quality/performance cartridge bearing square bottom bracket
- Better chainline stability with chain line stabilizer
- Series: Shimano Tourney TX800 Series
- Fits JIS square-taper cranksets
- Hollow spindle
- Crankarm fixing bolts sold separately
- Adapter material: Aluminum
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Ratings & Reviews
Overall rating: 5.0 / 5 from 9 reviews.
AI Generated Review Summary
Summary topics
Review topics: [].
Review highlights
Reviews
As good as it needs to be
"Not the lightest or fanciest, but just as reliable as much more expensive Bottom Brackets"
Happy to have bought this
"Happy to have bought this. Always trust the products I get from Cambria."
BB ready to mount and ride
"Good deal, smooth transaction, excellent shop/seller"
Economical and Functions Beautifully
"I installed this into the BB shell of a 1994 Specialized Ultra, replacing an old decrepit, heavy, terribly rusted steel one that I happily junked. Thank you Cambria Bike! You totally made my day."
Smooth and solid BB
"Quality product at a reasonable price."
Arrived Quickly, Worked Great
"Exactly what I needed and arrived faster than I thought."
Solid Performer
"Shimano - solid performer, reliable, smooth bottom bracket, very high quality for the price, will buy again."
Look AWESOME, feel even better
"So smooth when you change out a 30 year old BB to a new one."
Q&A
Overall rating: 5.0 / 5 from 9 reviews.
AI Generated Review Summary
Summary topics
Review topics: [].
Review highlights
Reviews
Cost effective replacement
"Shimano square taper bottom brackets just work. Easy to install with the spike tool. Just remember to grease or use never seize when installing into a steel frame, as the metals will fuse together."
As good as it needs to be
"Not the lightest or fanciest, but just as reliable as much more expensive Bottom Brackets"
Happy to have bought this
"Happy to have bought this. Always trust the products I get from Cambria."
BB ready to mount and ride
"Good deal, smooth transaction, excellent shop/seller"
Economical and Functions Beautifully
"I installed this into the BB shell of a 1994 Specialized Ultra, replacing an old decrepit, heavy, terribly rusted steel one that I happily junked. Thank you Cambria Bike! You totally made my day."
Smooth and solid BB
"Quality product at a reasonable price."
Arrived Quickly, Worked Great
"Exactly what I needed and arrived faster than I thought."
Solid Performer
"Shimano - solid performer, reliable, smooth bottom bracket, very high quality for the price, will buy again."
Look AWESOME, feel even better
"So smooth when you change out a 30 year old BB to a new one."
Q&A
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