Nutt Hydraulic Brake Disc Upgrade Kit – To fit Revvi 12″ and 16″ kids bike
 
Please note –  15mm CONE/THIN SPANNER IS REQUIRED TO FIT THIS KIT, You may also need to slightly adjust the rear wheel spacing with washers for the perfect fit/alignment. 
 
A rear Hydraulic disc brake kit designed by Moto Twenty5 Concepts with a Nutt hydraulic brake system to both improve brake power and also ease of use for the rider.
 
The kit includes:
 
 
Nut hydraulic brake system with brake lever.
 
140mm disc
 
brake disc hub mount
 
brake mount
 
nuts/bolts/spacers/ties