The G20 Pro Upgrade Kit adds three strength training attachments, including Jammer Arms, Leg Extension / Leg Curl, and Dip Bars.
- Jammer Arms (Pair)
- Dip Bars (Pair)
- Leg Developer Attachment
The G20 Pro Upgrade Kit adds three strength training attachments, including Jammer Arms, Leg Extension / Leg Curl, and Dip Bars.