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Matrix UBC Lumbar-Supporting Seat Back Accessory The Matrix UBC Lumbar-Supporting Seat Back Accessory is the perfect addition to your Matrix UBC-M or UBC-P Upper Body Cycle for users who need more stability. Add the lumbar-supporting seat back with transfer grips today! Also available for purchase with the Adjustable Cranks AND Hardware-Free Ramp Platforms as the Matrix UBC Optional Accessibility Kit. Click here to check it out!
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🇺🇸 Ship from USA · On Agora since 2025
$515.00