- Echo's Urban 4-bolt booster is one of the stiffest boosters available.
- Redesigned to be lighter while still offering excellent rigidity for braking.
- A great option to stiffen up the brake on a flexy frame.
- CNC-machined holes and cutouts reduce unnecessary weight.
- Designed to work with most modern trials frames with 4-bolt mounts spaced at 100mm.
- Includes 4 mounting bolts and aluminum spacers.
- Anodized finish with laser-etched logos.