Piper Private Equity completed the £11.5m investment in Wattbike.

Piper Private Equity, a private equity firm, completed the £11.5m investment in Wattbike, a static bike maker. "We are very excited to have the backing of Piper who are such experienced and focused investors with a clear understanding of the opportunities we have for Wattbike to help more and more consumers improve their performance and health," Dan Stern, Piper Investment Director.