It is extremely important that you understand how to sort out any problems that could occur with your bike when out and about in the middle of the countryside.
It is highly recommended that you visit the British Cycling website here which will provides quick step by step videos about all general bike maintenance issues before heading out on a ride.
For Kent University Cycling Club rides, the ride leader will always be on hand to fix anything. Nevertheless it is always best to learn how to be competent yourself so that if you wanted to go out on a ride by yourself you are not stuck with no clue how to get your bike working again. At the Cycling Hub, you will find bike mechanics there will be able to fix any problems you have.