Chainring Bolts for 50.4 BCD Cranks
A more modern version of connecting hardware for classic 5-pin cranks. Stainless steel nuts, bolts, and alloy spacers. The huge improvement is the use of 4mm allen head fasteners instead of a tiny 8mm bolt and nut. No more skinned knuckles and stripped bolt heads.
Each kit is enough for one complete single or double crank arm set. Compatible with Velo Orange, TA, Stronglight, and most other 50.4 BCD cranks.
We recommend using a drop of Locktite on each bolt.
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 4 reviews
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K
Workded beautifully with TA 48/32 chainrings on a SunXCD.
Thanks,
Kim.
T
This kit includes two sets of nuts and bolts — the set of six (with alloy spacers) that retain the inner ring to the outer ring, and the set of five that retain the outer ring to the crank. In this kit, identical nuts and bolts are supplied for both locations.
I have some old Stronglight 49D cranks and new TA chainrings. The set of six bolts that keep the chainrings together work fine. However, the set of five that retain the outer ring to the crank don't actually fit the Stronglight 49D. The sleeve nut is about 0.8 mm too long, and bottoms out on the crank before the chainring is tight to the crank arm.
My solution is to grind down the Velo Orange sleeve nuts by about 1mm. A better solution might be to find some 0.8mm to 1mm shim washers that fit under the heads of the sleeve nuts, since this will leave more thread to engage with the bolt. (I can find them online, but only in quantity 100). What won't work is to use the original Stronglight sleeve nuts with the Velo Orange bolts, because the Velo Orange bolts have a pitch of 0.8mm (the M5 standard), but the Stronglight bolts have a pitch of 0.75mm.
J
The title says it all!
E
Chainring Bolts for 50.4 BCD Cranks
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