8 SPEED INDEX 13 - 32 MEGA FREEWHEEL BLOCK SCREW ON CASSETTE MTB ATB BIKE 

• 8 SPEED SCREW ON FREEWHEEL THAT FITS ON MULTI SPEED THREADED HUBS ( its NOT a cassette that fits on to a free hub ) IDEAL FOR A LOW COST UPGRADE TO 8/16/24 SPEED
• 13/32 TEETH
• THIS IS SUITABLE FOR INDEX GEAR SET
• IDEAL FOR MTB BIKES , AND WORKS WITH SMART CAGE OR MEGA RANGE DERAILLEURS
• NO OF TEETH ON EACH COG ARE 13,15,17,19,21,24,28,32 ( smallest to large )
• MANY PEOPLE CALL THIS A SCREW ON CASSETTE , BUT ITS NOT REALLY A CASSETTE ITS A FREEWHEEL AS A CASSETTE HAS LOOSE COGS THAT FIT ONTO A FREEHUB ( IF YOU ARE IN DOUBT PLEASE ASK US 
• FITS ALL STANDARD THREADED SCREW ON TYPE HUBS
• GREAT FOR AN ECONOMIC UPGRADE FROM 5, 6 OR 7 SPEED OR AS A REPLACEMENT FOR BROKEN OR WORN OUT FREEWHEELS , OR TO CHANGE THE RATIO OF YOUR GEARS
• SUITABLE FOR USE WITH MOST 8 SPEED REAR DERAILLEURS INCLUDING SHIMANO.
• WEIGHT 550 grams approx