Click to enlarge

THIS FRONT SPK. FITS A 20MM OD COUNTERSHAFT (SEE PIC BELOW)

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THIS SPROCKET HAS A 18MM/20MM ID CENTER HOLE (SEE PIC BELOW)

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SOME (NOT ALL) ZONGSHEN'S HAVE SHORTER TEETH ON THE INNER SPLINES

THEY ARE THE SAME PATTERN BUT THE INSIDE OF THESE SPROCKETS

WILL NEED MACHINED DOWN (OR FILED DOWN) TO FIT ON SOME OF 

THE ZONGSHEN'S 20MM COUNTERSHAFTS....

1 item sold by motopartsport 420 15 T Tooth 20mm Front Engine Sprocket for XR50 TTR Dirt Pit Bike ATV Quad 420 15 T Tooth 20mm Front Engine Sprocket for XR50 TTR Dirt Pit Bike ATV Quad ( 251755033677 )

Quantity: 10 Estimated delivery Tue, Apr 18 - Tue, May 23 Add note

ITEM PRICE: US $55.00

Hi John, Your offer is confirmed. We'll let you know as soon as motopartsport responds.

420 15 T Tooth 20mm Front Engine Sprocket for XR50 TTR ... Offer: $45.00 Expires Mar-29 15:50 PDT Quantity: 10 Buy it now price: $6.44 per item View item Your offer is $19.40 less than the buy it now price

THEY WILL FIT THE 125 LIFAN'S THAT I HAVE COME INTO CONTACT WITH SO FAR... WITH A 20MM SHAFT

THIS INSIDE PATTERN IS LARGER THAN A CT70 OR ATC70 WHICH ARE ONLY AN 17MM SHAFT

500044 = 14T

500045 = 15T

NOTE !! THESE FIT ONLY THE 125CC LIFAN AND ZONGSHEN ENGINES THAT HAVE A BORE AND STROKE OF 54MM BY 54MM

LIFAN_125 ZONGSHEN_125 WITH_54MM_X_54MM READ_DISCRIPTION FRONT_SPROCKETS 14_15__TOOTH FOR_20MM COUNTERSHAFT 420_CHAIN 5-44=14/5-45=15T$12.95PICK_YOUR_SIZE: 

*PLATE FIXING FRONT SPROCKET CT110_1980 OTHERS  1/16A (151J) *PLATE FIXING FRONT SPROCKET CT110_1980 OTHERS 1/16A (151J)
151J$1.59