Rear sprocket 50 aluminum teeth 520 Gas Gas EC 125, Husqvarna TC 250... Supersprox red

Rear sprocket 50 teeth Supersprox red Gas Gas EC, Husqvarna TC...125, 250...

Transmission tray par new chain adaptable for motorcycle cross, 125cc, 250cc enduro and other GasGas EC displacements, Beta RR, Husqvarna TC...

Technical characteristics of the crown

• Mark: Supersprox
• Drive train type: 520
• Number of teeth: 50
• Material: aluminium
• Red color
• Number of fixing holes: 6
• Type of mounting holes: countersunk

Dimensions of the rear pinion (see marks on the typical drawing)

• A - Fixing center distance: 78 mm
• B - Fixing center distance: 135 mm
• C - Fixing center distance: 156 mm
• D - Diameter of fixing holes: 8 mm
• E - Inner diameter of the crown: 136 mm

It is essential that you you check the type of drive train you need before ordering. On small motorcycles, most 50cc use the 420 (width 6 mm, center distance 12.7 mm) but some 50s and most 125s use the 428 (width 7 mm, center distance 12.7 mm) even for 125 in 520 (width 6 mm, center distance 15.8 mm). All drive train parts, i.e. front sprocket, chain and rear sprocket, absolutely must be of the same type.