May 12, 2022 – The Bike Connector is donating around four dozen bikes to students at Stoklosa Middle School, equipping them with new helmets and giving them safety lessons. Students line up for a lesson. SUN/Julia Malakie

May 12, 2022 – The Bike Connector is donating about four dozen bikes to students at Stoklosa Middle School, equipping them with new helmets and giving them safety lessons. 12-year-old sixth-grader Herminio Sanchez IV gets a balance lesson from The Bike Connector founder and president, Wade Rubinstein of Concord. Sanchez said he hadn’t had a bike for about five or six years. SUN/Julia Malakie

May 12, 2022 – The Bike Connector is donating about four dozen bikes to students at Stoklosa Middle School, equipping them with new helmets and giving them safety lessons. Students wait to be divided into groups for lessons. Front from right to left: sixth graders Orlan Escobar, 12, and Camila Mercedes, 12, and fifth grader Esmeralda Feliberty, 11. SUN/Julia Malakie

May 12, 2022 – The Bike Connector is donating about four dozen bikes to students at Stoklosa Middle School, equipping them with new helmets and giving them safety lessons. Elijha Estrada, 12, a sixth grader, gets help getting started from Patty Grasso of Lexington, a board member of The Bike Connector. Estrada said he hasn’t been training much lately because his brother’s bike broke and he’s been using Estrada’s. SUN/Julia Malakie

May 12, 2022 – The Bike Connector is donating around four dozen bikes to students at Stoklosa Middle School, equipping them with new helmets and giving them safety lessons. Licensed cycling instructor Laura Smeaton of Roslindale rides a line of children on bicycles in a straight line. SUN/Julia Malakie

May 12, 2022 – The Bike Connector is donating around four dozen bikes to students at Stoklosa Middle School, equipping them with new helmets and giving them safety lessons. Students line up for a lesson with instructor Rachel O’Donnell of Westford, second from right. SUN/Julia Malakie

May 12, 2022 – The Bike Connector is donating about four dozen bikes to students at Stoklosa Middle School, equipping them with new helmets and giving them safety lessons. Instructor Rachel O’Donnell from Westford goes over the hand signals. SUN/Julia Malakie

May 12, 2022 – The Bike Connector is donating around four dozen bikes to students at Stoklosa Middle School, equipping them with new helmets and giving them safety lessons. Sandra Robichaud and her husband, regular volunteer Bill Robichaud of Concord, fitted fifth-grade Giovanni Oliveira, 11, with a helmet. SUN/Julia Malakie

May 12, 2022 – The Bike Connector is donating about four dozen bikes to students at Stoklosa Middle School, equipping them with new helmets and giving them safety lessons. Fifth grader Brandon Estrella, 11, gets a thumbs up from Lowell volunteer Ron Karlberg as he sits on the bike he just received. SUN/Julia Malakie

May 12, 2022 – The Bike Connector is donating about four dozen bikes to students at Stoklosa Middle School, equipping them with new helmets and giving them safety lessons. Sixth-grade student Cristian Zaruma, 12, practices stopping with his handbrakes before he puts his feet down. SUN/Julia Malakie

May 12, 2022 – The Bike Connector is donating about four dozen bikes to students at Stoklosa Middle School, equipping them with new helmets and giving them safety lessons. “Rock dodge” was one of the marked exercises. SUN/Julia Malakie

May 12, 2022 – The Bike Connector is donating about four dozen bikes to students at Stoklosa Middle School, equipping them with new helmets and giving them safety lessons. Concord volunteer Richard Fahlander fits sixth grader Christ Destine, 12, with a helmet. SUN/Julia Malakie

May 12, 2022 – The Bike Connector is donating about four dozen bikes to students at Stoklosa Middle School, equipping them with new helmets and giving them safety lessons. Licensed cycling instructor Laura Smeaton of Roslindale rides a line of children on bicycles in a straight line. SUN/Julia Malakie

May 12, 2022 – The Bike Connector is donating around four dozen bikes to students at Stoklosa Middle School, equipping them with new helmets and giving them safety lessons. Sixth-grade student Herminio Sanchez IV, 12, gets some help from The Bike Connector founder and president, Wade Rubinstein of Concord. Sanchez said he hadn’t had a bike for about five or six years. SUN/Julia Malakie