Plans for the venue include:
Learn-to-ride programmes for children who have never been on a bike before
Major international championships
All-ability sessions for people with additional needs
Programmes for schools, clubs and leagues
Many activities will need to be booked but people will be able to turn up and have a go on the mountain bike trails, BMX and road circuit. Prices start from £4 for children and £6 for adults and bookings will begin to be taken later this year.
Cycle fans will also be able to ride out on a remodelled and floodlit version of the London 2012 BMX track and the 6,000-seat velodrome with its 250-metre track will be open "for all to have a go", the LVRPA said.
There will be taster sessions as well as a full accreditation programme taking first-timers to competition level. Riders can also take on five miles (8km) of new mountain bike trails, graded by difficulty into black, red and blue routes at the VeloPark.
They could also race around the new and floodlit one-mile road circuit, which is being built on the site of the former Eastway Cycle Circuit.
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Luton-born Natalie Crichlow, 44, was visiting family in the West Indies when she was allegedly attacked by an unknown intruder in a bedroom.
Payne said the London event had been cancelled due to bad weather.
Work began on the project ten years ago and it should have been ready last year.