Nutt Hydraulic Front Brake Kit​ – To fit Revvi 16″ Plus kids electric A complete kit to fit a Hydraulic front brake system to your Revvi 16″ Plus bike. The kit includes:1 x Metal 10 spoke front wheel1 x Nutt Hydraulic front brake system1 x Brake disc Please Note: This will only fit 16″ plus bikes that have front suspension forks with a brake caliper bracket! It will also fit 16″ bikes that have had front suspension forks with a brake caliper bracket fitted!