Mechanical problems are the rider's responsibility, not the Ride Leader's. Minor repairs (flat, tires, etc.) can usually be fixed quickly while the group waits.  Remember to clear the roadway.  Major mechanical breakdowns may require a rider to find a nearby bicycle shop or to call for a ride home.  The Ride Leader must use good judgment and provide advice to the disabled rider.  Try to help the best you can without imposing a serious inconvenience on the group as a whole.  Remember that we are all adults and a certain degree of self-sufficiency is expected of all riders.

With members starting to ride E Bikes and bikes with Disc Brakes, "they" should know how to change tires on their bikes.