Bumper mounts under the chassis.
The Racer2 bumpers are made of thinner nylon 0.096" to keep the weight down for the 2wd buggys.
Pictures are of the Racer2 on a AE B4 buggy. All Racer2 bumpers look the same.
This listing comes with the following for Kysoho Ultima RB5:
- One TBR Nylon Racer2 Front bumper NR2F
- Lifetime warranty