Will redline flight cranks fit a euro bb8/19/2023 ![]() Manufacturers tried to offer "double row" bearing systems (i.e. When you try and manufacture a bottom bracket to fit inside the Euro shell, and support the 19mm-22mm axle, you simply don't have enough space left for cartridge bearings of sufficient depth to withstand the high stresses, strains and impact loads of aggressive riding Ideally you want the largest possible diameter crank axle on a crankset for strength and rigidity - ideally around 19-22mm The problem with the Euro shell is the limited diameter, it was never designed for aggressive riding on mountain bikes, its a leftover from the world of road bikes! I cant see how having internal bearings is any weaker than having external bearings? To summarize: just about any crankset will work on your frame, provided you don't cock the numbers up too badly (by getting, say, an 83x122.5mm Square-taper BB for a set of Shimano Dura-Ace cranks - though if you do manage to do that, I have a cookie reserved for that level of stupidity) I'm assuming you're planning on single speeding your Traffic? Just grab a 113mm BB and be done with it. However, anything that uses an internal-bearing BB (any ISIS, square-taper, Octa-Link, or BMX style cranksets) will require you to pay attention to the spindle length. If you go with a crankset that uses an external bearing BB (like a shimano, or Race Face), then you don't have to worry about it, as it's sort of one-size-fits-all. If I'm not mistaken, your NS uses a 68mm shell, which means you'll be able to use either a 68mm specific BB, or a 73mm BB (and just use five mm worth of spacers, as instructed by the BB's manual).Īs far as spindle length (that pesky second number) goes, it will depend upon your frame, rear hub, and crankset. Redline Flight Bottom Bracket Euro 19mm B/b Set for 3pc Crank No Reserve. Thanks for all your help to date, let me know what you think of the above combo and If it works well done to you clever ones who said right from the beginning.The 19 and 22mm measurements you keep referring to are diameters, not lengths (a 22mm wide bottom bracket would be absolutely tiny! about the width of one of your crank arms!).Įuro BB's have their own fun standard as far as sizing goes, and most will follow the typical 68/73mm shell size (read: they'll fit either 68 or 73mm wide bottom bracket shells), and be between 108mm and 133mm in spindle width (113mm is the most common size used in the industry). Get the best deals on Redline Bicycle Bottom Bracket when you shop the largest. I recon I could get away with the following spindleĪnd any of these Euro Bottom Bracket conversion kitsĭo you centralise the spindle with the spacers to get the chainline required? Itseems to be a floating spindle? Spindle Bolts: 18x1mm (x1) Spindle Splines: 16. Pinch Bolts: 6x1mm (x2) Spindle: 24mm Hollow. ![]() Needing to get your help and thanks in advance The included External Euro BB features 6061 aluminum cups with oversized cartridge bearings for smoother operation and extended bearing life when compared to a conventional Euro BB. I have looked on the redline site but they seem to only provide ten Redline Euro BB with 6 spline that I can fit my Old school flight crankĬan you help me as I just gotta get this baby built. You have been recommended by the os-bmx site as being able to provide a My 80's JMC has a euro BB about 34mm shell diameter and this spindle This was designed for the US BB shell with Spindle BB which is 6 spline 19mm diameter over the splines and 22.5mm I have some 80's old school Redline flight cranks with the dimple Hi guys/gals, I wonder if you can help me solve a riddle. Comes with the RETRO Redline Flight Crank Decal applied, just as on the complete Supercross BMX SX250 Complete Bikes. So looking at Dans Comp I sent them this pleading help question OK thanks for the e-bay link, I saw that one too but can't seem to get the BB seperate. I hope I have not jinxed any of the components on the build. Imagine that always questioning "Whats the cra*k". I’ve just ordered new redline 3 piece flight AL cranks + BB but I have no idea if the BB will fit.the BB is Sealed Euro BB with 6061 alloy cups included. I will struggle with my Wife as she is Irish.
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