Polar Pro Chest Strap for Polar HRMs 3XL (82-114cm) Black RGroup_11CE363A7E058D887CE6AE1B032B2DEB36A90AEE Equipped with Shimano DI2 electronic

Equipped with Shimano DI2 electronic shifting

Both lights offer 3 modes and perform effectively in flash mode

1 Kids Mountain Bike is designed for young riders

this tube is engineered for race use

while the diamond-ribbed rail pattern enhances traction

Polar Pro Chest Strap for Polar HRMs 3XL (82-114cm) Black RGroup_11CE363A7E058D887CE6AE1B032B2DEB36A90AEE Equipped with Shimano DI2 electronicThe Polar Pro Chest Strap for Polar HRMs XXXL Black is designed to deliver reliable, accurate heart rate readings during training. It pairs with Polar HRMs to read your hearts electrical signals using interference preventing electrodes, helping you stay in tune with your effort. The soft textile material and slip resistant silicone dots keep the strap comfortable and secure, so it stays where it should even when workouts get intense.