This patent describes a proposed version of the Sensah RX, fitted with a clutch. This design may have gradually morphed into the, more deluxe, Sensah SRX.

It is strikingly similar to, but subtly different from, Chinese Utility Model # CN203727600U - Sensah.

• Publisher: China National Intellectual Property Administration
• Inventor: Qian Haize
• Country: China
• Date: Priority date March 2014
• Derailleur brands: Sensah
• Derailleurs: A prototype version of the Sensah RX with a clutch