Revvi Nutt Hydraulic Brake Disc Upgrade Kit - To fit Revvi 12" + 16" Bikes Bike size:12 inch 10Ten 50R Young riders starting

10Ten 50R Young riders starting their first petrol bike Fully automatic twist-and-go riding with no gears or clutch 10Ten 90R Riders ready to progress into semi-automatic gears More power and gear changes without a manual clutch lever Choose the 50R if the rider is starting petrol bike riding and needs the simplest automatic setup

As riders become taller

this is the most extreme EBOX Dragster available

Why Choose the Stomp Z3-160

gravel tracks and junior off-road areas while still being manageable for progressing riders

Revvi Nutt Hydraulic Brake Disc Upgrade Kit - To fit Revvi 12" + 16" Bikes Bike size:12 inch 10Ten 50R Young riders startingPlease 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