This is a pack of four 5x9x3mm metal shielded "Speed" ball bearings. ProTek R/C "Speed" bearings are high quality steel/chrome bearings designed for the R/C racing enthusiast.
- Blade 550 X Pro
- Kyosho TF-5
- Schumacher CAT K1
- Schumacher CAT K1 Aero
- Schumacher CAT SX2
- Schumacher CAT SX3
- Schumacher Cougar KF
- Schumacher Cougar KF2
- Schumacher Cougar KF2 SE
- Schumacher Cougar KR
- Schumacher Cougar SV
- Schumacher Mi1
- Schumacher Mi4
- Schumacher Mi4CXL
- Schumacher Mi5
- Schumacher Mi5evo
- Serpent 977
- Serpent S411
- Serpent S411 2.0 Eryx
- Vaterra Kalahari
- Vaterra Kemora