NOS COOK BROS HYPER-C MOUNTAIN CRANK ARM SET

uno-speedo · Aug 9, 2017

Rarer than hen's teeth, in New Old Stock condition - never mounted or used and no shop/storage wear. Perfect for that vintage mountain bike, display cabinet or just to have!

176mm long silver arms, complete with dust caps, granny ring hardware and instructions. 94/58 BCD, has a 5-arm spider in a gunmetal colour.

Original box is not included.

£399.99 delivered within the UK. Plus £15 for EU delivery. Plus £20 for ROW. SOLD

Paypal friends or add 4%.

k-rod · Aug 10, 2017

dayaaam ... that is sweet!!

Hotwheels. · Aug 10, 2017

What's special about it, looks just like a CBR?

Haaland · Aug 10, 2017

A compact version of the RSR arms is available, achieved by making the right arm with a spider that has 58mm inner bolt pattern and a 94mm outer chainring bolt pattern. These Hyper Drive-C compatible arms are slightly lighter and compatible with all 2 degree tapered spindle B/B's. They are also made in Black, Lavender, or Silver anodized finishes, with the spider anodized in Black. The Cooks Hyper-C cranks come as right arm, with spider, left arm, and a set of five steel inner chainring bolts with aluminum spacers. Chainrings, the double chainring bolt set, crank bolts and crank arm dust caps will be needed separately. The inner bolt set provided weighs an additional 35 grams. Be sure to specify color and length.

http://www.bikepro.com/products/cranks/cooks.html

dongward · Aug 10, 2017

Re:

So effectively a reduced BCD as opposed to the regular Standard drive (BCD 110/74)...? The spider does look more compact than the regular standard drive - quite like that, gives it a more modern look.

NOS COOK BROS HYPER-C MOUNTAIN CRANK ARM SET

uno-speedo

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k-rod

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Hotwheels.

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Haaland

Retro Guru

dongward

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