The nine-year-old boy from Islington who wowed people last year by conquering three of cycling’s most feared climbs is gearing up for another adventure – and this time his sister is coming along for the ride.

Alfie Earl, who attends St Joan of Arc Primary School in Highbury, unofficially became the youngest cyclist to climb up the Col du Tourmalet in the Pyrenees, the Passo dello Stelvio in the Italian Alps, and the giant of Provence, Mont Ventoux.

The next on the list is the London to Paris ride via Dover. He has chosen to ride in support of Great Ormond Street Hospital after they saved younger brother Ivan’s life.

However, when his grandmother Helen Lee passed away from pancreatic cancer in November, his 12-year-old sister Saskia, who goes to St Mary Magdelene Academy on Liverpool Road, decided she wanted to do it as well but for Cancer Research.

Saskia said: “We’re training hard, going on rides in the countryside for 40 or 50 miles almost every weekend.

“I will have a really good go at getting all the way to Paris but it depends on how strong I am.

“I feel nervous because I know what a big thing it is to do but I’m trying to keep that out of my mind and concentrate on how happy I will feel when I see the Eiffel Tower.”

Alfie already knows how he will celebrate when he gets to the finish line.

He said: “I’ve ridden up some of the hardest mountains in the world but this is different because we need to pedal more than 80 miles some days.

“I am determined to prove that we can do it though and when we get to the Champs Elysses I’m going to pull a wheelie.”

Dad Steve and mum Sarra will join the intrepid pair for the full ride, which takes place between May 27 and May 30.

Steve said: “This all started with the Tourmalet and an eight-year-old’s willpower, and Alfie’s amazing achievements in the mountains have been covered by media all over the world.

“But since then, he and Saskia have been so stubborn about wanting to keep achieving more on their bikes and this latest ride is so special because it’s in my mum’s memory.”

But while the four will be the ones completing the full route, the full family will be involved at some point as Ivan has said he will ride part of the route, aged just eight-years-old.

He said: “I am not letting them have all the glory.”