Cottered To Cotterless - Upgrading A Raleigh Bottom Bracket - Raleigh Bomber Rat Bike

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Just to be clear:
"Standard" & French shell = 68mm wide
Italian shell = 70mm wide
Raleigh shell = 71mm wide
Some MTB shell = 73mm wide
Bomber shell = 77mm wide
68mm shell = 53mm centre on axle measured between bearing faces (3 series axle)
70mm shell = 55mm centre on axle measured between bearing faces (5 series axle)
73mm shell = 57mm centre on axle measured between bearing faces (7 series axle)

Пікірлер: 38

  • @duringthemeanwhilst
    @duringthemeanwhilst4 жыл бұрын

    who thought that it was only modern press-fit BBs that have too many standards!?

  • @MonkeyShred

    @MonkeyShred

    4 жыл бұрын

    HA. I have most of the old stuff memorised now. I wouldn't be able to tell you about press fit and boost etc now though. No idea on modern gear!

  • @broccoli5408
    @broccoli54084 жыл бұрын

    This is great, BBs should have appeared in Vogon Poetry

  • @Herbybandit
    @Herbybandit4 жыл бұрын

    Yay! Done it! 👏👏👏👏👏

  • @sprocketandwheel
    @sprocketandwheel4 жыл бұрын

    I enjoy your posting of old bike restoration and rescue.. In my nearly 40 years of experience On French and Italian threaded BB 's I found that it is super important to get the fixed cup ( right side) cups in very tight... I usually take a lead hammer to the wrench and give it a few firm strikes.... On the Raleigh recessed style cups it is a bit more difficult... Have you considered drilling and tapping for a small set screw to secure the adjustable cup.. that you you can still adjust it as needed... Cheers.. Z

  • @paulvale2985

    @paulvale2985

    4 жыл бұрын

    Came here to suggest the grub screw solution myself, a viable option I agree.

  • @MonkeyShred

    @MonkeyShred

    4 жыл бұрын

    I LOVE IT! I'm definitely going to do that! Thanks for the suggestion!

  • @dominicfinley8732

    @dominicfinley8732

    3 жыл бұрын

    i know I'm pretty off topic but does anybody know a good place to watch newly released movies online ?

  • @murphyco88
    @murphyco884 жыл бұрын

    Great info just picked up a 71 raliegh super course not sure whether to restore or up grade stay safe😎

  • @MonkeyShred

    @MonkeyShred

    4 жыл бұрын

    Green or Red?

  • @JustinH72
    @JustinH724 жыл бұрын

    Well this answers that exact question regarding my clubman. The cottered cranks are fine but if I ever did want to switch to a square taper now I know. Next make a video telling me why there's a hole in the BB shell with that easily removed brass plug 😂

  • @MonkeyShred

    @MonkeyShred

    4 жыл бұрын

    For adding more oil/grease to the BB!

  • @12aipom34
    @12aipom343 жыл бұрын

    Did you have to fit different size ball-bearings to this BB? Currently changing the gearing on a '69 Raleigh and the ball bearings are loose instead of in a race as shown in the video. Cheers!

  • @MonkeyShred

    @MonkeyShred

    3 жыл бұрын

    No they're "standard" 1/4" bearings but I just used caged ones.

  • @Velomanable
    @Velomanable2 жыл бұрын

    Can you recommend a cotterless for a Mk3 Moulton I'm restoring BB she'll is 76mm

  • @Paul-io6dy
    @Paul-io6dy4 жыл бұрын

    What about getting the bottom bracket milled down at an engineers so the threadless would work properly, would you be able to get a long enough axle for the cranks to clear the chainstays.

  • @MonkeyShred

    @MonkeyShred

    4 жыл бұрын

    That's a possibility too, although I'd use the MTB axle and Raleigh cups still.

  • @LordLlurch
    @LordLlurch4 жыл бұрын

    #Hambini to the rescue!!!

  • @MonkeyShred

    @MonkeyShred

    4 жыл бұрын

    Who?

  • @LordLlurch

    @LordLlurch

    4 жыл бұрын

    @@MonkeyShred Hambini, a 5 year old expert on bottombrackets.

  • @MonkeyShred

    @MonkeyShred

    4 жыл бұрын

    @@LordLlurch looks a bit older than 5 years old 🤣 the custom engineered BBs look amazing but there's no chance I'd spend £200 on a custom BB for this bike 😅

  • @tomalcolm
    @tomalcolm10 ай бұрын

    This is how I did my Raleigh 20 conversion.

  • @MonkeyShred

    @MonkeyShred

    10 ай бұрын

    Nice. I’ve converted mine to bsa thread and trimmed/faced the BB down to 73mm

  • @Thegeordiemonkey
    @Thegeordiemonkey2 жыл бұрын

    Any ideas how to cut a Raleigh sized shell down to a 68mm size? I know it can be done with a hacksaw if your skilled enough but no bike shop i know does it, i have a mk3 Moulton but they use a Raleigh 26tpi and around a similar sized shell to your bike, rethreading is the easy part its the shell reduction i want to see, i cannot find any videos how to do it, i believe a refacing tool is not up to the job on removing that much material, any ideas?

  • @MonkeyShred

    @MonkeyShred

    2 жыл бұрын

    Good question Des. I've never done it myself before but I do have to tackle it soon on a BSA Twenty. I'm pllaning on using some careful marking...a grinder and files. If you can find a engineering firm that could somehow fit the frame in a mill... I think that would be the quickest and most caccurate way to take down the size on both sides.

  • @IDVACCINEDECEPTION
    @IDVACCINEDECEPTION Жыл бұрын

    Put bearings in either side first. Then it should fit snug, no wobble

  • @alfredross7280
    @alfredross72802 жыл бұрын

    has anyone heard of a Raleigh merlin? I cant find a bottom bracket at all

  • @burrussw
    @burrussw4 жыл бұрын

    I have not seen cottered BB since the 1970's , where did this come from? did raleigh really make bikes with cottered cranks in the 80's and 90's?

  • @MonkeyShred

    @MonkeyShred

    4 жыл бұрын

    Yup, in to the 80s at least. Mainly on the lower end models though.

  • @burrussw

    @burrussw

    4 жыл бұрын

    @@MonkeyShred did a little research, kind of interesting, it looks like raleigh in the early 1980's wanted to build a bike similar to the cruisers that were being ridden in marin california, kind of like beach cruisers adapted for off road riding. the width of the bottom bracket, 77 mm ?, I recall some downhill bikes having 83 mm bottom brackets, I don't imagine many of these made it to the US

  • @outaspaceman

    @outaspaceman

    3 жыл бұрын

    My Raleigh Chiltern (one of the many 3speed sports models) was built in 1991.. with cottered cranks.

  • @outaspaceman
    @outaspaceman3 жыл бұрын

    Hmmm.. I’m looking at you, my Raleigh Chiltern..🤔

  • @MonkeyShred

    @MonkeyShred

    3 жыл бұрын

    Go for it!

  • @leomilklev
    @leomilklev4 жыл бұрын

    Привет from Russia)

  • @johnthomas7040
    @johnthomas70404 жыл бұрын

    Raleigh Bomber a 3 speed bike

  • @MonkeyShred

    @MonkeyShred

    3 жыл бұрын

    A single speed, or 3 speed, or 5 speed bike (from factory). Now a 14 speed.

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