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  1. Cotterpein

    For Sale Bob Jackson 531c frame

    Now for sale on eBay starting price £50.
  2. Cotterpein

    For Sale Bob Jackson 531c frame

    Thanks for pointing out my error. I prepared the text for an ebay advert, but posted here first and left that bit in by mistake. I have now removed the reference to bidding.
  3. Cotterpein

    For Sale Bob Jackson 531c frame

    Bob Jackson Handbuilt Reynolds 531 Competition tubing frame, size 23 inch Frame number 19119. Please note this is made from 531 Competition tubing which is lighter than standard 531. The frame is a delight to ride. The original owner I bought it from had it built after 1980, this is born out...
  4. Cotterpein

    For Sale 21 IN ROBERTS FRAME, FORK, SEATPOST CAMPAG HEADSET, MAVIC BB

    I built up a.Rourke frame for a guy, it was 25inch and beautifully crafted. I can understand why you would buy it. I went out on my Raleigh SPD 853 tonight, nothing like a good steel frame.
  5. Cotterpein

    Which Roberts Address is Correct for '91 Decal?

    Have a look here. https://en.wikipedia.org/wiki/Roberts_Cycles My Roberts is a 1982 with Anerley address. Sydenham was before that. According to the wikipedia entry, post 83 Roberts were at Gloucester road when your frame was built.
  6. Cotterpein

    For Sale 21 IN ROBERTS FRAME, FORK, SEATPOST CAMPAG HEADSET, MAVIC BB

    Columbus SL. Nutted brakes but could be drilled for recessed allen key nuts, 68mm BSA BB shell, rear spacing 126mm OLD
  7. Cotterpein

    For Sale 21 IN ROBERTS FRAME, FORK, SEATPOST CAMPAG HEADSET, MAVIC BB

    On the analogue kitchen scales the frame, fork, headset and bb weigh 6lbs or 2.7kg. The scales are not calibrated so this is not an exact measurement.
  8. Cotterpein

    Willier build

    Hopefully with sub compact chainrings, I will not need to go down the MTB cassette route, but it is a useful option to know about. I have a number of bikes I am thinking of stripping and considered using the group sets from. However I would like to keep compatibility of the wheelset with my...
  9. Cotterpein

    Willier build

    46/30
  10. Cotterpein

    For Sale 21 IN ROBERTS FRAME, FORK, SEATPOST CAMPAG HEADSET, MAVIC BB

    I may have more info to come from the previous owner later this week.
  11. Cotterpein

    Willier build

    The wheel already has 10s SRAM cassette. I think from memory it is an 11-30 cassette
  12. Cotterpein

    Willier build

    Thanks 2manyoranges. I have the TRP Spire carbon brakes. I have had Ultegra hydraulic brakes which were really good, but wanted to keep it easy to assemble and maintain and the cost of shifters for rim brakes is significantly less. I have used Juin Tech hydraulic calipers with success. I have...
  13. Cotterpein

    Willier build

    I have a light carbon Willier frame I plan to build up utilising parts I already have where possible . The objective is to build a light bike for long, steep climbs such as Mont Ventoux. I have a set of through bolt carbon disc wheels with tubeless tyres and carbon mechanical disc calipers and...
  14. Cotterpein

    For Sale 21 IN ROBERTS FRAME, FORK, SEATPOST CAMPAG HEADSET, MAVIC BB

    Thanks for your comment Vetus Ossa and I welcome your question as I appreciate it is essential to check measurements and verify the description. The centre of the crank axle to the top of the seat tube is 21 1/8 inch and almost 54cm. The top tube length is also 21inch centre to centre. The angle...
  15. Cotterpein

    For Sale 21 IN ROBERTS FRAME, FORK, SEATPOST CAMPAG HEADSET, MAVIC BB

    Frame number is 8229. The frame belonged to the time keeper of a local cycling club and was used for time trials. It is a quality lightweight steel, lugged frame with double butted tube, but I cannot guarantee what tubing it is made from. From the frame number i believe it to be a 1982 frame...
  16. Cotterpein

    Wanted Carradice super C

    I have a Carradice longflap bag which is 24l with pockets both ends. It is in good condition, as far as I know it has not been used looking at the straps condition. If this is of interest I can take some pics and send to you...
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