Dropout spacing / width: e.g. 100 mm – 150 mm
Swing arm length: e.g. 400 – 550 mm
Wall thickness / tube cross-section: 2.0 – 4.0 mm
Weight: ~1.5 – 3.0 kg
Bearing / pivot interface: uses precision sealed bearings and bushings
Compatible wheel size: 16″ – 29″ / e-bike wheel standards
Tensile strength / yield strength: For 7075-T6, yield strength ~503 MPa, tensile strength ~572 MPa

High rigidity and light weight design to balance strength and performance.
Reinforced pivot and dropout areas to resist torsion and fatigue.
Finished surface treatment for corrosion resistance and long-term durability.

Electric bicycles and scooters rear drive systems
Motorized rear wheel assemblies including hub motor / mid-drive setups
Repair / upgrade parts for e-mobility vehicles
Custom / retrofit swing arm solutions for e-bike conversion kits