integrated in the frame but removable

180mm disc

Bike Mount Type: Tray

62 lbs / 736 grams

Strong Aluminum Frame - 6061 aerospace grade alloy

Heybike Urban Ebike Helmet Size:Medium integrated in the frame butHeybike Urban Ebike Helmet Built for urban riders and commuters. Fit for men and women. 2 sizes for choices. With an adjustable snug belt to adapt the built in helmet framework for a perfect fit. Safe, solid, and light materials, which definitely can be very good protection for the head. Easy to wear, sunglasses and eyeglasses friendly. Applicable Head Circumference Medium 57 59cm Large 58 62cm Material: Shell: PE Liner: EBS