Williamson joined forces with James at the World Championships back in February claiming bronze while the pair collected the same colour at the European Under-23 Championships in July.
The 20-year-old made way for London 2012 Olympian Jess Varnish for the recent senior European Championships in Apeldoorn, where Britain once again claimed team sprint bronze.
Williamson finished seventh in the individual sprint and reached the second round in the keirin in the Netherlands but will be back with James at the World Cup season opener in Manchester.
She will lead out James in the team sprint and has her sights firmly set on lowering their time of 33.762seconds recorded at the World Championships in Belarus earlier this year.
"I'm really happy with my form coming into this World cup," Williamson told British Cycling. "Earlier on this year in Minsk I did a big personal best and then my flying 200m throughout the year has just got better and better.
"My speed is definitely up there so hopefully I can do another personal best in my opening lap. We're hoping to go better in Manchester. My lap has improved massively, which for a start is a massive help if we can get off to a quicker lap.
"The second lap is going to be again better so we're just improving all the time. It'll be really nice to have home support. I'll be pretty nervous I think but hopefully it will help me in a good way. Obviously being on a home track, which we ride on every day, is really nice as well."
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