Revvi 16” Plus Hydraulic Rear Brake Upgrade Kit 20" From first balance bikes through

From first balance bikes through to competition-ready electric bikes

Helpful Amped A18 Comp Buying Guides

Smaller standard starter bike for approx

Below you'll find the key technical specifications for the RFN Thunder 70 Pro

Actual ride time depends on rider weight

Revvi 16” Plus Hydraulic Rear Brake Upgrade Kit 20" From first balance bikes throughRevvi 16 Plus Hydraulic Rear Brake Upgrade Kit Upgrade your Revvi 16 Plus with a hydraulic rear brake system for improved braking performance, smoother feel, and better control. This kit replaces the standard braking setup with a hydraulic system, making it ideal for higher performance bikes or riders looking for more responsive braking. Hydraulic brake upgrade for improved stopping power Smoother, more responsive braking feel Ideal for upgraded or