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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 20 - Sep 25
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For Your Every Summer RSVP, with Code: SUMMER15
Description
ZTTO 942HY 9 Speed 11T-42T Road Bike Cassette MTB Bicycle Steel FlywheelIt is made of high tensile chromium molybdenum steel, with nickel plating surface, so it has higher strength, durability and has extreme resistance to abrasion. The strong antioxidation makes it hard to rust to have a long service life The hollow design can reduce the weight to some extent and make riding easier Use it to directly replace your old or broken flywheel A wonderful accessory for mountain bikes. Easy to install Specification: Teeth ratio:
- It is made of high-tensile chromium-molybdenum steel, with nickel-plating surface, so it has higher strength, durability and has extreme resistance to abrasion. The strong antioxidation makes it hard to rust to have a long service life
- The hollow design can reduce the weight to some extent and make riding easier
- Use it to directly replace your old or broken flywheel
- A wonderful accessory for mountain bikes. Easy to install
Specification:
- Teeth ratio: 11-13-16-20-24-28-32-36-42T
- Material: chromium-molybdenum steel (nickel-plating surface)
- Speed: 9 speed
Package included
- 1 x Cassette Flywheel
Specifications
| Brand | ZTTO |
| Color | As Shown |
| Packaging Type | White Paper Box |
| Plug Type (For Supply) | N/A |
| User Manual (Language) | No User Manual |
| Gross Weight | 0.575kg |
| Volume Weight | 0.627kg |
| Package Length | 20.000cm |
| Package Width | 20.000cm |
| Package Height | 7.000cm |
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
4.9 ★★★★★
Based on 27 reviews
Sort
Product Reviews
★★★★★ 5
Fantastic dog toy
Size: Large, Product Packaging: Standard Packaging
Fantastic dog toy, probably my dogs favorite. It’s really durable, my dogs a heavy chewer and this toy has lasted several weeks. Will definitely buy again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
★★★★★ 5
Tough and Long-Lasting Toy for Heavy Chewers
Size: Large, Product Packaging: Standard Packaging
The KONG Extreme Tires are built for dogs who chew through just about everything else. Made from KONG’s most durable rubber, the toy is designed to stand up to strong jaws while also offering a fun shape that dogs enjoy rolling, chasing, and chewing. The tire design has grooves that can be stuffed with treats or peanut butter, which helps keep dogs engaged for longer play sessions.
This toy is especially useful for large breeds or heavy chewers who usually destroy softer toys in minutes. While no toy is completely indestructible, the Extreme Tires hold up far better than most and provide both chewing satisfaction and mental stimulation. The size is hefty and best suited for medium to large dogs, and smaller breeds may find it too heavy.
Pros: The rubber is extra durable, the tire shape adds variety and fun, and the grooves can be filled with treats for extra engagement.
Cons: It may be too heavy for smaller dogs, strong chewers can still wear it down over time, and it isn’t designed to bounce or fly like other KONG toys.
A rugged and reliable toy made for power chewers. The Extreme Tires provide long-lasting fun and double as a great option for treat-stuffing, making it one of KONG’s toughest and most useful toys.
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Reviewed in the United States on August 30, 2025
★★★★★ 5
Strong toy
Size: Large, Product Packaging: Standard Packaging
Nice, but smaller than I expected.
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Reviewed in the United States on May 16, 2026
★★★★★ 4
Small means small
Size: Small (Pack of 1), Product Packaging: Standard Packaging, Size: Small (Pack of 1), Product Packaging: Standard Packaging
To small for 2 month German Shepherd. It was my bad for ordering a small. But I never saw product specs saying the actual size. Remember never buy a to small of toy for your puppy as it’s a choking hazard.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Totally indestructible
Size: Large, Product Packaging: Standard Packaging
My daughter's lab kills any toy he gets. This was perfect! We accidentally left it in his kennel while out one day and it was still in perfect condition. Totally worth the money if you dog is a tyrant with toys!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
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