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Beyond the aesthetic changes, three major improvements have been made compared to the A520MX5:
- Increased bushing-to-inner plate and pin-to-outer plate contact pressure. These two elements significantly reduce the occurrence of hard spots in the chain, allowing for excellent flexibility throughout its lifespan.
- The most significant improvement is a 20% increase in fatigue resistance, meaning the chain stretches less and at a slower rate.
This product fit the following bike:
2025
EC 125 (125cc)
MC 125 (125cc)
MC 150 (150cc)
MC 250F (250cc)
EC 250 (250cc)
MC 250 (250cc)
EC 250F (250cc)
EC 300 GP (300cc)
EC 300 (300cc)
MC 300 (300cc)
EC 350F (350cc)
MC 350F (350cc)
EC 450F (450cc)
RX 450F REPLICA (450cc)
MC 450F (450cc)
EC 500F (500cc)
2024
MC 125 (125cc)
MC 250 (250cc)
MC 250F IKD (250cc)
EC 250F (250cc)
EC 250F IKD (250cc)
EC 250 (250cc)
MC 250F (250cc)
EC 300 (300cc)
MC 350F (350cc)
EC 350F (350cc)
EC 450F (450cc)
MC 450F (450cc)
RX 450F REPLICA (450cc)
EC 500F (500cc)
2023
MC 125 (125cc)
MC 250F (250cc)
MC 250F BT (250cc)
MC 250 BT (250cc)
MC 250F IKD (250cc)
MC 250 (250cc)
EC 250F IKD (250cc)
EC 250F (250cc)
EC 300 (300cc)
MC 350F (350cc)
EC 350F (350cc)
RX 450F REPLICA (450cc)
MC 450F (450cc)
2022
MC 125 (125cc)
EC 250 (250cc)
MC 250 (250cc)
EC 250F (250cc)
MC 250F (250cc)
EC 300 (300cc)
EC 350F (350cc)
MC 350F (350cc)
MC 450F (450cc)
2021
MC 125 (125cc)
EC 250F (250cc)
MC 250F (250cc)
EC 250 (250cc)
EC 300 (300cc)
EC 350F (350cc)
MC 450F (450cc)
New