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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
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Description
Blackbone BAJA 2 speed gear systemThe Famous Blackbone 2 Speed System for the HPI BAJA! Order the correct gears (2 sets ideally 2 ratios apart, ie 19 55 and 21 53) The kit contains: HD steel clutch bell (15mm shaft diameter) (NEW V2 DESIGN) HD 2 speed custom layshaft with one way bearing system 2 speed Alloy Spur gear carrier Get the best of both worlds for your Baja, Groud breaking launch and hit second gear for that top end speed you are looking for. Don't choose between torque or
The Famous Blackbone 2 Speed System for the HPI BAJA!
Order the correct gears (2 sets ideally 2 ratios apart, ie 19/55 and 21/53)
The kit contains:
- HD steel clutch bell (15mm shaft diameter) (NEW V2 DESIGN)
- HD 2 speed custom layshaft with one way bearing system
- 2 speed Alloy Spur gear carrier
- Get the best of both worlds for your Baja, Groud breaking launch and hit second gear for that top end speed you are looking for. Don't choose between torque or speed. Get both with this BBRC two speed.
-
Gears are available via separate listing, this is just for the 2 speed system.
IMPORTANT GEARING ADVICE:
- Don’t set the difference between first and second too great or you’ll notice smaller engines will struggle to pull second gear. a Maximum of 4 pinion teeth for the jump, eg 18/56 and 24/50 will be rubbish and no point buying this system for bad performance
- For most tuned zenoah style engines, start with 18,19 or 20 for 1st gear and go for 20, 21 or 22 for second gear, youll get the potential from the engine and the transmission this way.
- My advice on 24/50 is that only really for 40s or twins. 23/51 is plenty for second gear on even a very powerful 34cc.
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
4.8 ★★★★★
Based on 569 reviews
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Product Reviews
★★★★★ 5
Perfect tennis ball size.
Color: Non-Squeaky - Pack of 12, Size: Medium
Like most doggy balls they dont last as long as real tennis ball, but a real tennis ball can wear down her teeth. Great colors, tho in a few days they are yard colored cuz of the slobber and nature on it. Love the handy mesh bag for keeping put away until we need to get out a new one. My dog loves the no squeaky. To her squeaky is inside toy and too distracting for outdoor play. She really enjoys fetching this ball.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Worth it
Color: Non-Squeaky - Pack of 12, Size: Medium
My dogs love them and enjoy the lm
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Reviewed in the United States on May 25, 2026
★★★★★ 5
pet toys
Color: Non-Squeaky - Pack of 12, Size: Medium
Perfect.
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Reviewed in the United States on May 29, 2026
★★★★★ 4
My Dog Dreams Of Squeaky Balls 🐶
Color: Squeaky - Pack of 12, Size: Medium
My dog really loved these balls when I got them. It's a great variety of colors, the fabric is well-attached, and I LOVE that the squeaker is hidden under the fabric, reducing risk that it falls out and gets eaten by one of the dogs. The net carrying bag is a nice touch as well.
Unfortunately, these balls do not hold up to much play. I have a medium-sized dog and he likes to mouth the ball when he catches it to squeak it. The squeaker broke on every single one of these within the first play session. Thankfully it stays contained in the sealed ball, but still, it would be nice if it lasted a *little* bit longer.
Beyond the squeaker issue, my dog wears these out within a day or two of play. Keep in mind that he LOVES playing fetch and we will spend a good hour playing per night. Usually the fabric starts to detach and the ball will start breaking at the seam (the ball is two halves glued or sealed together).
That may be the fault of the dog, though, since he does squeak these an awful lot while we play. Buying a stronger ball may not be an option because he enjoys the ones that are easier to squeak like these are!
Overall I'm fairly happy, I just wish they lasted a little longer or cost a little less. 🐶
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Reviewed in the United States on March 31, 2025
★★★★★ 5
Will buy again
Color: Non-Squeaky - Pack of 12, Size: Medium
Great tennis balls for our 2 year old dog. Durable enough for moderate chewer’s
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Reviewed in the United States on March 22, 2026