HUP Lightweight 34.9mm Seat Post Clamp (31.6mm Seat Post) in Oil Slick Belgian Collection That's important as many full

That's important as many full hydraulic systems can provide too much stopping power for low rider weights

Chain Compatibility: 9

Sprocket: 40-46T

Total Capacity: 35T

the Stem length is also critical for the young rider to maintain control

HUP Lightweight 34.9mm Seat Post Clamp (31.6mm Seat Post) in Oil Slick Belgian Collection That's important as many fullLightweight Aluminum alloy 6061 seat post clamp in Black for 34. 9mm seat tube diameter anodised finish in Oil Slick: Material: Aluminium alloy 6061 Clamp diameter: 34. 9mm Seat Post Fit: 31. 6mm Weight: 18g Color: Oil Slick Maximum pinch bolt torque 5Nm More install info here.