Grand Cru 50.4 BCD Crankset

Grand Cru 50.4 BCD Crankset
Velo Orange Grand Cru 50.4 Crankset 46/30 tooth chainrings
Grand Cru 50.4 BCD Crankset

Grand Cru 50.4 BCD Crankset

Crankarm Length
Regular price $200.00
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  • Free USA shipping on order subtotals over $150
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Classic 50.4 BCD cranks, like the TA, Stronglight 49D, and others, are still sought after by randonneurs and cyclo-tourists. These cranks offer tremendous versatility since chain rings from 28t to 62t fit. They are also light and have narrow Q-factors, or tread.

While the Grand Cru 50.4 Crankset looks like a classic, we have made several important improvements. They are cold forged from 7075 aluminum alloy. The rings are thicker so they don't flex as on classic cranks. The outer rings have modern shifting aids such as ramps and pins, so shifting performance is much improved. All stainless hardware with allen head nuts/bolts. Includes aluminum machined dust caps and BB bolts. Dust caps function as self extracting crank hardware. 

Specs:

  • Teeth: 46/30
  • BCD: 50.4mm
  • Q Factor: 144mm
  • Chainline: 43.5mm
  • Speeds: 5-11 compatible
  • Taper: JIS square taper
  • Suggested Bottom Bracket Spindle Length: 118mm
  • Pedal Threading: 9/16"
  • Weight: 654 gr (for 170 mm cranks with hardware)

 

Free Shipping for Retail customers with subtotals over $150: Velo Orange offers free shipping to the lower 48 States for retail orders with a subtotal of at least $150. Use the coupon code 150SHIP when you check out to get the deal.

Free Shipping for Wholesale customers with subtotals over $400: Velo Orange offers free shipping for wholesale orders to the lower 48 States with a subtotal of at least $400. No coupon code required for this deal.

Oversize international shipping: Large products including (but not limited to) frames, fork, fenders, handlebars, racks, and rims may incur oversize shipping charges. We will notify you of additional charges.

For additional info, please visit our FAQ page or contact us.

Customer Reviews

Based on 15 reviews
93%
(14)
7%
(1)
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A
Anonymous

I updated a Peugeot
To get the lower gearing for the steep hills
Very nice
The looks fit the bike from the 80s
Thanks

K
Kellen
Smooth as butter

Absolutely love this crankset so far - only ridden a few miles on it, but it's a huge step up from the one I had before. The 165mm arms make it easy to spin without getting fatigued, the narrow Q factor is great and feels more natural for my narrow hips (just watch out if you're riding with boots or shoes with laces, they'll get caught more easily than with wider cranks).

Overall, absolutely beautiful, and feels like a strong, well-machined component. Excited to be putting more miles on these cranks.

P
Paul Sievers

The perfect gear combination - the reason I have four of them.

P
Paul Whitney
I did buy them again

I wore out the chainrings on the earlier version, and purchased again at a slightly smaller size (170 vs 172.5 for my first set). The Q factor is narrow - and a fitter I worked with recommended longer spindle pedals. They look great. I love the small inner chainring for climbing. The missing star is due to two of the threads not being set well. One thread is for one of the pedals, and other for the cover over one of the chainring bolts. The fitter recommended/reminded me that threads can be re-tapped again by many bike shops.

T
Ted
Great crank--with minor caveats

I love this crank. It's beautiful and shiny (metal parts should look like metal!), and the 46/30 rings provide a good range of gears and a nice low gear. The pinned big ring shifts so much better than the 80s-vintage Shimano Mountain LX triple (with flat Biopace rings) it replaced.

That said, there are a couple of things to be aware of. The lovely narrow Q-factor comes at a cost.

First, the distance between the big ring and the crank arm is relatively narrow. I'm using it with an 8-speed chain, which makes it even narrower because of the protruding rivets. Make sure that your front derailleur has a flat outer plate. I was using a 1980s vintage Shimano Mountain LX derailleur, and the outer plate protrudes just a bit at the bottom, which meant that there wasn't much leeway between "rubbing the chain" and "rubbing the crank arm." I'm now using a Microshift R8 derailleur with a flat outer plate, and there's plenty of clearance.

The other issue with the narrow Q-factor has to do with physiology. I'm pretty duck-footed, so when I stand in a neutral position, my toes point out. That means when my feet are on the pedals, my heels point in. It's taken a little getting used to for my heels not to rub the cranks on each pedal stroke. It's not a deal-breaker, and I'm happy with the crank, but it's something to be aware of if, like me, you're duck-footed.

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