VN 4.031 Double cone synchroniser: 1. 2nd gear freely rotating on the shaft; 2. 1st gear freely rotating on the shaft; 3. Tapered ring; 4. Friction ring; 5. Locking ring synchronizer; 6. Gear shift clutch; 7. Gear shift clutch hub; 8. Shaft; 9. Needle bearing
VN 4.031 Double cone synchroniser: 1. 2nd gear freely rotating on the shaft; 2. 1st gear freely rotating on the shaft; 3. Tapered ring; 4. Friction ring; 5. Locking ring synchronizer; 6. Gear shift clutch; 7. Gear shift clutch hub; 8. Shaft; 9. Needle bearing