CRISIS Crank Arms We have designed the Crisis crank to be the perfect match for the new breed of heavy duty ISIS BBs which are now built tough enough to withstand the type of abuse that DMR riders can dish out. This crank is very easy to fit and an economical way to get Cro.Mo cranks onto your bike. The tough and incredibly stiff 4130 Cro.Mo crank arms directly replace standard alloy crank arms mounted to ISIS BBs and give a stiff, solid feel to the transmission. 4 bolt spline drive spider will accept 1, 2 or 3 chainrings, is spline driven and has no weak drive bolt Spline drive chain discs or 5 bolt spiders are available separately. Available in 170mm and 175mm crank arm lengths Choice of tough black or polished chrome finishes |
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