we know its not always about how fast you can go,
but sometimes its how fast you can slow down as well.

ELEVN offers Disc brake adaptors for the Chase ACT 1.0 & 1.2 and RSP 4.0 frames. These new CHASE frames are the first ones to be designed to accept Disc brakes and adaptors fit the specs needed by Chase to be able to safely add on a Disc brake option.


 FOR CHASE ACT 1.0 & 1.2 frames

FOR CHASE RSP 4.0 frames

Disc Brake Rotors

120mm or 140mm with air vents

Disc Brake Rotor Spacers

for a perfect center set up

Disc Brake Rotor bolts

Made of Titanium to halve the weight

Post Mount Adapter

For 140mm Disc Rotor use

Center lock ISO adapter

allows the use of ISO 6-bolt disc brake rotor on a center lock hub

Disc Bloc tensioner

to replace your disc side tensioner

Brake Mounts covers

to cap off your V-brake mounts


to dampen noise from your housing inside your frame

These brake adaptors may work with other frames, but have not been tested at this time. Always check with your frame Manufacture first before installing a disc brake, as some frames may not be able to except the brake adaptors or they could cause damage to the frame and be unsafe.

how to install Disc Brake Mount for CHASE ACT 1.0 & 1.2 and RSP 4.0