Onyx Viper Series Speedball - 10 Inch Designed for Speed. Built to Endure. The Onyx Viper Series 10 Inch Speedball is designed to improve hand speed, timing, rhythm and coordination for boxers and striking athletes at all levels. Constructed from premium T-Flex microfibre, this speedball delivers consistent rebound performance while maintaining long-term shape and resistance to wear. The 10 inch size provides a slightly slower rebound than smaller speedballs, making it ideal for beginners developing technique, rhythm and timing, as well as experienced athletes focusing on endurance and controlled combinations. Reinforced construction ensures reliable performance in both commercial gym environments and home training setups. Designed to pair seamlessly with standard speedball platforms - a fundamental tool for effective boxing training. Key Features Premium T-Flex microfibre construction - wear-resistant with a smooth, responsive striking surface 10 inch training size - controlled rebound for rhythm development, endurance and technique Consistent rebound performance - holds shape and balance through repeated high-speed impacts Skill development focused - builds hand-eye coordination, timing, shoulder endurance and accuracy Gym & home suitable - built for frequent use in commercial gyms, studios and home setups Standard platform compatible - fits standard boxing speedball platforms and swivels Specification Details Product Type Boxing Speedball Series Onyx Viper Series Material Premium T-Flex Microfibre Size 10 inch Use Speed, timing, coordination training Suitable For Boxing, striking training Skill Level Beginner to advanced Colour Black Sold As Single speedball Frequently Asked Questions (FAQs) Q: Is a 10 inch speedball good for beginners?A: Yes - the 10 inch size offers slower, more controlled rebound, making it ideal for beginners learning rhythm and timing. As your hands get faster, the same ball keeps working for endurance rounds and controlled combinations. Q: What material is the speedball made from?A: Premium T-Flex microfibre - the same durable, moisture-resistant synthetic used across our Onyx range, engineered for consistent shape through high-volume use. Q: Can this be used in a commercial gym?A: Yes - it is designed to withstand regular use in commercial gym environments. Q: Does it fit standard speedball platforms?A: Yes - it is compatible with standard boxing speedball platforms, including our Onyx Commercial Adjustable Speed Ball Platform. Q: Is the swivel included?A: No - the speedball is sold individually. For a complete wall-mounted setup, pair it with our height-adjustable commercial platform, or contact us for help matching a swivel. Q: How do I inflate and maintain it?A: Inflate with a standard ball pump and needle until firm with slight give, and check pressure regularly - a properly inflated speedball rebounds true. Wipe the T-Flex surface down after sessions. Shop More: Boxing Equipment Complete Your Setup: Adjustable Speed Ball Platform | Onyx Open Thumb Mitts Browse Full Range: Boxing Range Rhythm, timing, hand speed - the little ball that sharpens everything.