Art. 27-1879
For external gear systems, 21-24 gears. Crank arms made of aluminium, sprocket-wheels made of steel. Mounted chain guard Fits bicycles with square tapered spindles and crankshafts measuring 113 mm. Number of sprocket-wheel teeth: 22-32-42. Crank arm length: 170 mm. Mainly used for Mountain Bikes.

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