Fit in 34mm Trackball Mouse- This replacement ball is designed for most trackball mouse using a 34mm/1.34 inch trackball. Compatible with models like MX Ergo, M570, M575, MX Ergo Plus; Kensington: TB450, TB550, Pro Fit Ergo; ELECOM: EX-G Pro(M-XPT1MRXBK); Perixx: PERIPRO-801, Perimice-517 / 717 / 520 / 720; SANWA: GMATB44BKN/RN, GMABTTB1BK, etc.
Work with Optical Sensors-This replacement trackball provides excellent optical sensors sensitivity. Comfortable for finger control and ensures a smooth & agile movement. Specialized in precise pointing, multi-screen work, file works, excel, data processing, and efficiency improvement.
How to Remove the Ball- This SANWA trackball replacement can be easily removed from the mouse bottom using your finger or a pen.
Glossy Purple Color- Its surface is painted with a scratch-resistant coating and glossy purple color for more effortless optical identification and smooth movement. Works Temperature: -40 to 60.
Quick Cleaning Tips- This mouse ball replacement part is simple to clean. Either use a soft brush or a lint-free fabric. Before replacement, we suggest that you can clean the inside ball hole to avoid possible erratic cursor movement.
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Overview
Specs
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Fit in 34mm Trackball Mouse- This replacement ball is designed for most trackball mouse using a 34mm/1.34 inch trackball. Compatible with models like MX Ergo, M570, M575, MX Ergo Plus; Kensington: TB450, TB550, Pro Fit Ergo; ELECOM: EX-G Pro(M-XPT1MRXBK); Perixx: PERIPRO-801, Perimice-517 / 717 / 520 / 720; SANWA: GMATB44BKN/RN, GMABTTB1BK, etc.
Work with Optical Sensors-This replacement trackball provides excellent optical sensors sensitivity. Comfortable for finger control and ensures a smooth & agile movement. Specialized in precise pointing, multi-screen work, file works, excel, data processing, and efficiency improvement.
How to Remove the Ball- This SANWA trackball replacement can be easily removed from the mouse bottom using your finger or a pen.
Glossy Purple Color- Its surface is painted with a scratch-resistant coating and glossy purple color for more effortless optical identification and smooth movement. Works Temperature: -40 to 60.
Quick Cleaning Tips- This mouse ball replacement part is simple to clean. Either use a soft brush or a lint-free fabric. Before replacement, we suggest that you can clean the inside ball hole to avoid possible erratic cursor movement.
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First Listed on Newegg
October 20, 2026
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Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.