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  • Chater-Lea chainwheel adaptors
    part number 1307 Bolt as above 1931 Adaptor 1307 1 used on Chater Lea tandems 14A 42 46 and 47 with a gap between the chainrings of 11 32 and using bolt A44 126 1 13 16 long under head 1934 Materials for both the above changed to cast aluminium 1938 A special narrow adaptor 1307 2 was produced for Claud Butler for their Chater Lea equipped race tandem with a 1 4 gap between the chainrings and a bolt A41 126 3 4 long under head POST WAR Right Chater double 3 32 adaptor click for larger image Spacer 7mm ears 3mm 1953 Adaptor 1307 1 was changed to a shell mould casting by Starling Foundries Limited of Croydon The patterns weremade for them by Chater Lea who then machined and drilled the castings 1953 A new solo cycle adaptor 1689 was produced by Starling Foundries Limited for use with the post war cranks The gap between the chainrings was now 1 8 with bolts 9 16 long under head 1954 Adaptor 1689 now produced by pressure die casting and completely manufactured by Morris Ashby Limited of London E8 This adaptor was fully finished requiring no machining or drilling

    Original URL path: http://www.classiclightweights.co.uk/components/chater-adaptors.html (2016-02-09)
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  • Conloy Cotterless cranks
    is the spanner but the image puzzles me I cannot work out what the threaded part on the barrel of the tool is However Barry Adams says It s only a guess but I think the spanner comes apart to release the screwed item which may well be the extractor for removing the cranks from the axle Although the Conloy Stronglight alloy chainsets were on offer here UK very few seem to have been used until the mid fifties when alloy became more acceptable especially amongst the road racing fraternity Before then the material was treated with suspicion as likely to break not unknown amongst steel cranks one must say hence the popularity of the strong BSA cranks amongst sprinters The predominantly time trial fraternity were nearly always to be seen with steel cottered cranks with single chainring driving a fixed wheel for many years Those not racing but touring wouldn t trust these new fangled ideas either In the same catalogue Constrictor were advertising a steel 5 pin crankset made for them by BSA much cheaper at 14 with a weight of 17ozs Also listed were Conloy chain wheels with K pattern in size 42T 44T 46T and 48T

    Original URL path: http://www.classiclightweights.co.uk/components/conloy-cotterless-comp.html (2016-02-09)
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  • Constrictor hubs 1950s
    the downside was that the bearings would need regular lubrication probably every week for the keen owner Perhaps it should be said that Conloy refers to the special Conloy alloy used to make Constrictor components The same catalogue also lists their New Quick Release Drop Out Conversion Set left It goes on to say A form of wheel drop out that holds the wheel securely and without fear of slip The existing hub cones nuts and washers etc are retained but the spindle is replaced with a hollow one Carrier slides are fitted to the fork ends and a steel skewer is passed through the whole and locks the wheel in position A derailleur can be fitted and this remains undisturbed when the wheel is removed The wheel also goes back automatically into its correct position and does not need centralising Finished in polished chrome and cadmium The catalogue doesn t make clear if this conversion can be used with all makes of hub or whether it will work only with their own hubs I also have an undated technical sheet detailing Constrictor Circum Spoking but I have never seen these hubs or a wheel built using this method The sheet says CIRCUM is our new and patented device for wheel building Having two spokes in one length you do away with the trouble of having the heads broken off and the wheel therefore getting out of truth Each double length of Spoke right has a 3 8 diameter circle in the middle and this is placed round bumped or protruding collars of which there are ten on either side of a Rear wheel This enables one to use a smaller Spoke and the tangent comes further along the Spoke and when tied and soldered as we do all our

    Original URL path: http://www.classiclightweights.co.uk/components/constrictorhubs.html (2016-02-09)
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  • Durax cranks
    were advertised as available in this country in Holdsworth s Aids to Happy Cycling in 1939 and in Kitching s Everything Cycling 1963 4 They were produced in 6 6 and 7 lengths Durax also produced a 3 arm crank square without fluting which weighed some 2oz 56 7 grams extra This same square format was used for the 5 pin version Durax cranks as advertised by Ron Kitching under French Specialities in his Everything Cycling catalogue Readers may be puzzled by the references to N C C C and C C C In the post war period two lengths of cranks were produced for bread and butter roadsters The shorter of the two was for non gearcase machines The gearcase referring to a built in casing to protect the chain from water grit and dirt some had the facitity of holding oil in the lower section through which the lower length of the chain passed The chainwheel had to be positioned further out to enable the inner side of the casing to sit between the chainwheel and the bottom bracket frame Hence G C C gear case clearance The shorter axles for machines without this facility were known as N G C C non gear case clearance Strangely when double chainwheels were introduced into the UK for lightweights it was found that these two lengths matched up to the requirements for single and double chainsets and for some manufacturers this was the description used to define them Eventually a more technology based description was used such as Campag s 109 118 or 120 which listed the length in millimetres or in other cases imperial measures Chater Lea listed two lengths in the 50s the single No 1007 was to give the classic single speed 1 chain line For double

    Original URL path: http://www.classiclightweights.co.uk/components/durax-comp.html (2016-02-09)
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  • Classic lightweights template
    had just the FIAMME ITALY stamping Still no ferrule and still had the football shaped transfer Mid 70 s the transfers became rectangular with FIAMME lettering Image above right is of the adhesive decal found on the rims opposite the valve hole Above Fiamme advert from Aids to Happy Cycling 1954 27 refers to what was known then as Continental 27 which we know as 700c Fiamme sprint rim sections

    Original URL path: http://www.classiclightweights.co.uk/components/fiamme-rims.html (2016-02-09)
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  • Flint catchers
    were rather noisier and wore the tyres more thanks to Steve Griffith for the images Both attach to the brake centre bolt and are inscribed with the maker s name All alloy Pelissier Chromed steel TA Raclette The less sophisticated versions were made from stainless wire and rubber tubing including Allez and Carlton not connected to Carlton cycles The impecunious rider could make his own from an old spoke and some tubing Some were double sided whereas others were single and all wire and rubber Carlton M for use with mudguards with one arm rotated to show fixing eye for mudguard nut This model was marketed as Allez see advert below Advert from Bikeriders Aids 1975 Marten Gerritsen Carlton CL ultra light racing OZANNE FLINTCATCHERS I recently unearthed these Ozanne flintcatchers the one on the right is minus the spring you can see on the other but will work by gravity I hope Ron Kitching s Everything Cycling 1963 page 34 Craig Griffith California USA told me Ozanne clearly was around back in the early to mid 1930s The Swiss racing Imholtz Carioni Allegro Mondia SKS bikes of the day had them then and well into the late 1960 early

    Original URL path: http://www.classiclightweights.co.uk/components/flint-catchers-comp.html (2016-02-09)
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  • Harden bottom bracket
    Alexander Von Tutschek Harden Bottom Bracket Unit Part No C5000 This is an alloy unit in which are fitted bearing races and a tool steel axle in the end of which is a grease nipple The barrel of the unit is 2 5 8 long and to use this device the threads of the bracket must be removed it is held in place by a locking ring at either end

    Original URL path: http://www.classiclightweights.co.uk/hardenbb.html (2016-02-09)
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  • Harden Hubs
    Campagnolo works It was available for 3 or 4 speeds with the option of a special 5 speed Alex points out that there is a large void in the hub so although there is a grease nipple fitted one would need a grease gun full to fill it I assume the grease is kept away from the pawls Note Harden wing nuts Harden Freewheel hub Part No 1200 text and image by AVT This device was available for a short period in 1949 50 it combined an Harden alloy hub with a in built freewheel and looked quite attractive They were built for 3 or 4 speed on 1 8 chain or 5 speeds with a 3 32 and have four ball races within The weight of the unit less the sprockets was 14 1 2 oz These are very rare today and few are know to have survived This writer has just traced the gentleman at Harden s who was responsible for the design of this product There will be more information to add very soon Shots of my favourites Harden Flyweights these had conventional cup cone bearings and were only available in gear fixed large flange There are two different versions one with single curves on the inner surfaces like a normal Harden hub and the second type as in these photos with a triple curve very much like an alloy Campag record hub The latter are the prettier and I surmise the later ones and probably among the last Harden hubs available One anorakish observation having seen quite a few of these is that some have stamped trade marks and some don t The man at The Harden Tool Die Co who was responsible for stamping the trade mark on their hubs should have been boiled in

    Original URL path: http://www.classiclightweights.co.uk/harden.html (2016-02-09)
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web-archive-uk.com, 2017-12-15