It's a very reliable system, but as you can imagine physics plays a part here.

This type places the shifters closer to the hand positions, but still offer a simple reliable system, especially for touring cyclist.

An efficient and reliable system that reduced costs to both brokerage firms and investors and facilitate high speed pairings of buy and sell orders.

This was a more reliable system for the ride and proved for less downtime for the customers.

Lack of such a reliable system still represents one of the major technical difficulties in the field.