NEW YORK (CBSNewYork)Citi Bike rides are about to get a positive charge.

The service is adding 4,000 electric bikes to its fleet.

READ MORE: Connecticut Man Who Tested Positive For Omicron Variant Resting At Home With Mild Symptoms, Gov. Lamont Says

The company is rolling out the new pedal-assist e-bikes starting Thursday and will add more as the weather gets warmer.

READ MORE: Bob Dole, Former Senate GOP Leader And Presidential Nominee, Dies At 98

They will be the bikes with the battery on the frame. E-bikes can reach top speeds of about 20-miles per hour – twice as fast as most people can pedal.

MORE NEWS: NYPD: Man Stabbed In Thigh During Robbery In Theater District

The upgrade will cost $2 more per ride.