Internal planetary geared crankset, compatible with most conventional frames, providing a 1.6 to 1 gear ratio.
DESCRIPTION & MATERIALS
Die cast alloy crank arms, External bearing BB, Two speed planetary system, Achieves 28T to 45T drive gears, Overdrive ratio 1.6:1, Downtube cable routing, 68 mm BB
Length – L165mm, L170mm, L175mm
Chainline – 46mm
28T drive chainring
Brushed alloy silver
1730 g (complete assembly including BB)
Cable Stop Part for Patterson Transmission Internal Shifting Crank
Chainring for the Metropolis Patterson Crank. Adapts the Patterson crank for use with Gates Belt Drive systems.