Police officers and cycle specialists will be on hand to give people’s bikes a tune-up for the summer.
Harrow police will be offering free bike marking in the town centre which will help secure their cycles and mean they can be traced back to their owner if they are ever stolen.
Mechanic Dr Bike will also be on hand to give people's bicycles the once over, make sure they are roadworthy and carry out minor repairs for free.
There will also be information available about free cycle training on offer in the borough and women’s only bike clubs.
The event will take place outside HSBC bank in St Ann’s Road on Saturday April 26 from 9am to 2pm.