Nasty Boy

Cranks arms that give good value and good performance, supplied with bottom bracket. Made from

Cranks arms that give good value and good performance, supplied with bottom bracket. Made from t1.6mm x Ø38mm (Ø1½`) tubular 4130 chromoly. Left hand drive compatible, fits Ø19mm (Ø3/4`) 48T splined spindle.

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