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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25
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Description
Shimano BB-UN300 Bottom Bracket - English, 68 x 122.5mm Spindle, Square Taper JIS, 50mm ChainlineShimano BB UN300 Square Spindle Bottom Brackets Fits JIS square taper cranksets Crankarm fixing bolts sold separately Hollow spindle Product Specifics Defined Color: Black Bottom Bracket Shell I. D.: 1. 37 Spindle Length: 122. 5 Spindle Interface Type: Square Taper JIS BB Shell Width (mm): 68 BB Frame Interface: English Today's Stock Status 10+ Available to ship in 2 4 Business Days UPC: 192790619255 EAN: Not available Manufacturer Part Number:
Shimano BB-UN300 Square Spindle Bottom Brackets- Fits JIS square-taper cranksets
- Crankarm fixing bolts sold separately
- Hollow spindle
Product Specifics
- Defined Color: Black
- Bottom Bracket Shell I.D.: 1.37
- Spindle Length: 122.5
- Spindle Interface Type: Square Taper JIS
- BB Shell Width (mm): 68
- BB/Frame Interface: English
Today's Stock Status
10+ Available to ship in 2-4 Business Days
UPC: 192790619255
EAN: Not available
Manufacturer Part Number: EBBUN300B23X
CR3489
154800-Q0-L
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 3
Ok
Ok
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Reviewed in the United States on March 6, 2026
★★★★★ 5
Dog loves it! For tough chewers for sure
Size: Medium/Large, Color: Dog Ness Monster - Large, Size: Medium/Large, Color: Dog Ness Monster - Large
Dog absolutely loves it, he’s super rough on all of his toys they usually last about 10 minutes bore they are torn to shreds. It’s lasting through his chewing so I’m happy. It’s also super cute.
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Loch Yes
Size: Medium/Large, Color: Dog Ness Monster - Large, Size: Medium/Large, Color: Dog Ness Monster - Large
Cute toy, dog really likes it. I had my doubts when I pulled it out, and honestly so did she, but the soft part bounces, so that got her going. We've had it for about a week. My dog is ~70 lbs and a moderate chewer, and this monster still gets regular play and is holding up well.
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Great toys for aggressive chewers
Size: Medium/Large, Color: Turkey Day Drumstick - Large
These are great toys they last a while they are destroyed after a while but both dogs are aggressive chewers but they last about a year and a half. And they are go to toys they have one that is a shark mouth and they love it I have bought 4. (two of them the pups lost ).
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Reviewed in the United States on December 20, 2025
★★★★★ 4
Durable and Fun, Just Gets a Bit Rough
Size: Medium/Large, Color: Chopper - Large
This is a really good toy overall, especially if you have dogs that love to chew. My dogs were immediately into it—they play with it nonstop, toss it around, and stay entertained for a while, which I love. It definitely holds up better than most toys we’ve tried.
The only reason I’m giving it 4 stars instead of 5 is because over time it does start to fray a bit and gets a little rough, especially with heavy chewing. It’s not completely indestructible, but it still lasts longer than a lot of other toys.
Overall, still a great buy and I would recommend it if your dogs need something tough but fun!
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Reviewed in the United States on April 4, 2026