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Description

MAINDRIVE 18T 1/2" X 1/8" FreewheelMain Drive "Reliable Replacement" freewheels are similar to Original Equipment on most new BMX, fixie, and other single speed bicycles. 2 pawls engaging simultaneously every 18, acceptable for most casual cyclists. Not recommended for motor conversions, jack shafts or high torque use. MD Freewheels thread onto standard 1. 375" 24tpi hub threads (if you currently have a 16T or larger freewheel, it is most likely compatible). Sprocket pitch is 1 2" x 1

original display box not included

compatible with 1/8" wide

1 17T #63857-0000 Made in China

PAWS M30 14T #63854-0000 Made in China

single speed chains (3/32" wide chain will not fit)

Chrome Plated 17T #63630-1000 Made in China

1’s feature 3 pawls engaging simultaneously every 12° on 2 tracks of loose ball bearings

#63823-0000

GOLD AND PURPLE COLORS ARE OUT OF STOCK

ACS Crossfire components are race ready and competition quality

alloy tops

compatible with ACS and other Universal removal tools