CHIRP WHEEL + 3-PACK functional trainer the GWT86 comes with four

the GWT86 comes with four multi-directional castor wheels that allow for easy movement across all types of gym flooring

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durability

CHIRP WHEEL + 3-PACK functional trainer the GWT86 comes with fourCHIRP WHEEL + 3 PACK 4"' 6" 10" Note: Please allow 1 week to fulfill. Say goodbye to back and neck pain with the Chirp Wheel+ 3 Pack. This bundle features three different sized wheels for optimal back and muscle recovery. The 4 Focused massage provides rigid pressure to target fine muscles and deep knots. The 6 Deep Tissue digs in deep to get rid of your toughest knots. The 10 Firm delivers targeted pressure to help you massage those problem areas