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  • Cyclo - sprint-wheel carrier
    setting off from home at 4 30 5 am remembering that most events started at 6 am For this event he would fit his shiny expensive racing sprints with light silk walled tubs to his front axle using sprint wheel carriers as the rider on the right has done The carriers were angled forward to give clearance for the feet on the pedals The tops of the wheels would be fastened to the drops bars with toestraps to stop them vibrating over the bumps and possibly slipping down At the race the guards and lights if they were needed would come off and the sprints with higher gear of course fitted The roadsides around the start would be a mass of clothing mudguards and wheels all left quite happily and never stolen After the race which could well be over by 8am the machine would be rebuilt with lights mudguards and training wheels and the club members would ride to the nearest cafe for breakfast before setting off on a club run of probably 100 miles plus completed with the sprints still attached If you look closely at photographs of runs taken post WWII you may spot a member so equipped In the advert reproduced here from a 1952 Brown Brothers catalogue there is a steel Cyclo Rosa sprint wheel carrier This is different to both of my carriers which are displayed below These are both Cyclo with the alloy version left below and the steel right below In the advert the openings for the wheelnuts are closed rather than open and the carrier is sculpted rather than the flat steel This image shows the offset on both carriers the steel were slightly slimmer overall but still heavier 185g against 80g On some hub axles there was little or no

    Original URL path: http://www.classiclightweights.co.uk/components/sprint-wheel-carriers.html (2016-02-09)
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  • Stronglight 5-arm crankset timeline
    chain ring capacity of 38 to 56 teeth it is most often found configured as a double but can indeed be built up as a triple crankset 93 93 cyclo cross Model 93 sometimes referred to as the 93 SC or Super Competition 122 mm BCD uses a distinctive star spyder similar to the 57 SC and 63 SC but having flat faced natural aluminium finish non anodized arms with angular edges an unbroken center channel and no logo oval in the middle of those arms available in 165 170 172 5 175 and 180 mm lengths Being a replacement for the 63 SC the 93 was intended primarily for road racing use with an effective chain ring capacity of 38 to 56 teeth It is more often than not seen configured as a double but can also be built up as a cyclo cross double with outer aluminum chain ring guard or a true triple crankset 99 99 bis Model 99 99 bis 86 mm BCD spiritual successor to the 49D which continued to be offered concurrently throughout most of the model 99 production lifespan Its smaller BCD allows for consequently smaller inner chain rings hence its popularity with the touring crowd The anodized aluminium crank arms themselves were made available in 165 170 172 5 and 175 mm lengths The model 99 used standard chain rings whereas the 99 bis featured factory drilled chain rings Still this was an economy model intended primarily for road touring use with an effective chain ring capacity of 28 to 54 teeth It can certainly be configured as a double but more often than not it is seen built up as a triple crankset 105 105 bis 105 ter Model 105 105 bis 105 ter 122 mm BCD again uses a distinctive star spyder as the 57 SC 63 SC 93 before it but returning to slightly rounded edges on its arms which were given an anodized protective finish with a new Stronglight logo appearing inside the milled channel of said arms available in 165 170 172 5 175 177 5 and 180 mm lengths The 105 used standard chain rings whereas the 105 bis featured factory drilled chain rings and the 105 ter had not only factory drilled but also Black anodized chain rings The successor to the model 93 the 105 was intended primarily for road racing use with an effective chain ring capacity of 38 to 56 teeth It is more often than not seen configured as a double but can also be built up as a cyclo cross double with outer aluminum chain ring guard or a true triple crankset 104 bis Model 104 104 bis 122 mm BCD a totally new look for Stronglight and one which was intentionally similar in its appearance to the venerable Campy Record crankset yet still retaining the smaller and traditional 122 mm Stronglight BCD The anodized aluminium crank arms themselves were made available in only 170 mm lengths The model 104

    Original URL path: http://www.classiclightweights.co.uk/components/stronglight-timeline-comp.html (2016-02-09)
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  • TA chainrings
    to cover the axle bolt Only one position on the 5 pin fixing will give the correct position relative to the crank See more details below to avoid red face When restoring a 50 s machine you may find the selection of rings offered by TA rather confusing to say the least Below is shown a simplified version of the range of 5 pin rings on offer The first Time Trialing offering is simple and straightforward being a single ring which bolts direct to the cranks with a selection of sizes in 1 8 or 3 32 to give you whatever gear you may need There was also an adaptor to convert 5 pin to 6 pin Right Alloy Criterium adaptor from 3 pin steel cottered Stronglight crank to 6 hole fixing for outer rings The Massed Start or Criterium option uses adaptors to convert either from a 3 arm or the 5 pin crank to a 6 pin attachment for the outer rings There are a range of sizes in 3 32 available although the diameter of the six fixing points for the inner ring BCD means that early TA advertise rings as small as 44 teeth but later this was reduced to 43 This adaptor is sometimes known as the Professional or Professionnel sic Its main advantage is that the rings can be changed for racing without having to remove the pedals There is also a 5 pin Criterium similar in appearance to the Club Riding version but with a 44T limit to the inner ring The Club Riding also known as Randonneur option has an outer ring similar to the TT ring but with drillings for an inner ring on each of the six arms using longer bolts and spacers Again the diameter of the six bolts BCD limits the smaller rings to a minimum of 36 teeth With this in mind TA offer the Touring option sometimes called Cyclotourist similar to the Club but with a much smaller diameter for the six fixing points This allows for an inner ring as low as 26T which should get you up the steepest mountains TA also produced a Cyclo Cross single ring with a dural chainguard rivetted either side of the chainwheel to prevent the chain from derailling when riding over bumpy ground The Track Racing option is 5 pin fixing with either 1 8 x 1 2 or 1 x 3 16 As you can see from from the above it is essential to have the correct rings to create a matching pair I guess those with engineering capacity could drill their own outer ring although the drillings are counter bored for the bolt heads Left Image showing wrong assembly of ring to cranks Hint for those with an eye for detail There is only one correct position for mounting the 5 pin ring which will position two of the arms equidistant either side of the crank This is hard to describe but check before you put

    Original URL path: http://www.classiclightweights.co.uk/components/ta-chainrings-comp.html (2016-02-09)
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  • TA cranks
    models Many riders find TA cranks extremely comfortable to pedal a consequence perhaps of their very low Q factor a narrow distance between the pedals as the cranks are straight A major disadvantage is that it is necessary to remove the crank to change the rings Also the gap between ring inner crank surface is only 11mm which is quite tight for some front mechs hence the number of cranks you see marked by the front mech outer cage There is only one correct position to fit rings to the 5 pin cranks so that the crank is equidistant between ring cut outs TA bottom brackets single 314 double 344 and triple 373 or wider 374 Flash Webmaster of the superb Hetchins Site has some extra details with good images of his TA cranks triple rings and pedals to view at http www hetchins org ta 01 htm Crank identification 1 Early cranks have the cedegur trade mark on the front and the rear of the pedal thread is blanked out except for a tiny oil hole There is no TA black and white transfer the fluting is left bank 2 Cranks marked W are British thread 3 Cranks marked G are tandem so check the pedal threads on these as all bar one right hand crank will be reverse threaded 4 Later cranks 90 s are marked BSC and a letter number eg F2 or M7 I think this is a year month code but I am unable to confirm this 5 The most recent cranks have TA laser etched on the front rather than the transfer TA last made a batch of these cranks in 2007 for their 60th anniversary Starting in 1979 TA made a Campagnolo copy 144 PCD marketed under the Tevano trademark both cranks and

    Original URL path: http://www.classiclightweights.co.uk/components/ta-cranks-comp.html (2016-02-09)
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  • Classic Lightweights UK
    so my cotterless chainset cost about half that of Campag It had the advantage of not needing extractor tools and the alignment of the chain side crank could be adjusted A possible disadvantage was that the cranks were 6 1 2 inches long shorter than normal I cycled from Lewisham to Horsham via Crawley I remember Moons Lane as a gravel path back alley to a garage garden shed workshop Mr Wedgelock was impressed that a fifteen year old was cycling a 60 mile round trip to buy his cranks He showed me his bike to which he had added front suspension leading link I think My axle was square section at the ends It was a larger diameter than normal necessitating that the ball bearings run in annular grooves so as to fit normal bottom bracket cups To assemble the axle required the balls to be stuck in the grooves using grease prior to inserting the axle into the bottom bracket Some years later I lent the cranks to a friend and have not seen them since Don Louis gets a mention in relation to Gillott but is not in your frame builders list Johnny Monger built the frames in the shop in Herne Hill more or less opposite Brockwell Park I remember that R O Harrison in Nunhead had a window display which included tubes and lugs arranged as a frame but not brazed Meridian Cycles in Stanstead Road Forest Hill had displays of Frejus and other frames with Italian style lugs at a time when Nervex Professional were the norm Well before Eddy Merckx there was a seat pin with serrations and a rotary lever to allow seat high adjustment on the move Don t ask me what happened if one hit a pothole Once again Mick

    Original URL path: http://www.classiclightweights.co.uk/components/wedgelock.html (2016-02-09)
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  • Williams component dating
    their hubs 1912 13 A 14 B 15 C 16 D 17 E 18 19 E 20 F 21 G 22 H 23 I 24 J 25 K 26 L 27 M 28 N 29 O 30 P 31 S 32 T 33 U 34 W 35 X 36 Y 37 Z 38 AA 39 AB 40 AC 41 AD 42 AE 43 AF 44 AG 45 AH 46 AI

    Original URL path: http://www.classiclightweights.co.uk/williamsdating.html (2016-02-09)
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  • A guide to Williams crank and chainring identification
    think the 32 stands for 3 32 chain C1200 39 to 67 44 54 including odds 47 49 no s 116mm continental size Open claw design The top model 6 only Fluted cranks top quality forged right crank one piece Rings driven by bosses on ring not chainring bolts better design than Chater Lea Both sleeve and screw ring fitting Weight with 46t 700g C1232 54 mid 60 s As above 3 32 only As C1200 Double version of C1200 LC1232 54 mid 60 s 46 54 including odds 47 49 3 32 only C1200 Double sleeve fiting to crank Inner ring six screw bolt fitting to outer Different ring design and wider crank arms like C34 than C1200 The 32 stands for 3 32 chain LC1200 61 to late 60 s 44 50 As C1200 Replaced the C34 Fluted 6 only Wider chainring arms than C1200 swaged on Sleeve fitting only B100 Late 30 s to early 70 s 26 to 56 also inch pitch BSA 5 pin Plain cranks base model With fettling interchangeable with TA B1100 Mid 30 s to late 40 s 44 46 48 BSA 5 pin Cranks as B100 rings without inside flange B109 Pre war 44 46 48 B100 Dureel ring weight with 46t 560g Same cranks as B100 F100 F45 30 s to 60 s 54 to late 60 s 44 46 48 n a Fixed ring version chainring design as per model letter e g F45 as C45 AB77 Cotterless 62 to mid 70 s Minimum 42 made by Williams but interchangeable with TA minimum 26 Also adaptor see below 5 pin as TA Splined b b made by TDC poor quality High quality cranks all alloys Benefit over Gnutti splined is that no need for special tool to remove cranks 6 only The only British cotterless crank made in any quantity PCD pitch circle diameter Diameter of circle joining the centre of the crank bolt holes also known as BCD bolt circle diameter A rare 1931 C28 chainset image Peter Heinemann The steel cottered double chainset The AB 77 cotterless chainset introduced in 1962 Other products Adaptor to fit 5 pin TA AB77 cranks and take 151 PCD chainrings Campagnolo s original design until 1967 when they changed to 144 PCD Alloy 151 PCD chainrings 44 to 56 Both above products introduced 1962 Williams accepted special orders This included rings up to 64t special chainring design and bevelled edge cranks Pre war special flush fitting cotterpins and dureel fixed sprockets Cranks made in non gearcase clearance NGCC also made in gearcase clearance GCG Right Williams steel 5 pin inch pitch chainset Chainring fittings Until 1954 all Williams cranks used the screw square bolt method of attachment also used by BSA With the introduction of the C45 a larger splined hexagonal sleeve fitting was introduced The main reason for this switch was the latter was far easier to accommodate double chainrings which were becoming more widespread Well into the 60 s

    Original URL path: http://www.classiclightweights.co.uk/components/williams_identification.html (2016-02-09)
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  • Wood sprints
    year covering the big cycle races In his special Tour de France edition of 1956 he mentions that a huge mobile workshop followed the Tour and inside were dozens of wooden sprints These were claimed to give better braking conditions on long mountain descents But this year they were not popular and as far as I could see only Geminiani of the big boys was using them Maybe this was the time they finally lost out to the alloy sprint rims favoured by most serious racers of the time That is until some fifty years later when wood rims became the choice for selected builders of individual custom machines and they became readily available to restorers of old classic lightweights In Cycling dated October 18 1929 there was an article entitled Putting Sprint Wheels to Bed We have permission from Cycling to use the early material we will reproduce it here The sub heading is Moisture Spells Ruin for Wooden Rims The Following Hints Will Help You to Preserve Them The fine weather which has favoured most of the current season s road events has been of clear financial benefit where such vulnerable racing materials as wheels and tyres are concerned One coat of varnish will have seen most sets of wood rims through the summer without the fears of their impending dissolution that beset a racing man during wet seasons And tyres too should not be much the worse apart from punctures Damp Dangers Racers who have packed up until next spring should not however be tempted to store their wheels and tyres without first giving them very careful attention for it is during the winter with its frequent moist atmosphere that damage is most likely to occur even when the equipment is unused This is especially the case when 13mm track rims are in question They are frequently used with satisfaction on our smooth modern highways but their susceptibility to damp which they are not designed to combat is notorious During the course of a visit to the Constrictor Tyre Co s factory recently we were shown a wheel which has been suspended in a corner of normal dryness for a period of twelve months We were informed that during the year the variation in the wheel s diameter amounted to about 3 16 Month to month tests showed that almost all of the expansion had occurred during the winter When we saw the rim it had contracted to almost its original dimension but note this carefully its circumference was flatted at every spokehole and close examination revealed the edge as shaped in a series of waves Uneven Expansion Here is the explanation as provided by Mr Bane the Constrictor manager who has thirty years of experience in the wheel and tyre world When the wheel was hung up it was tensioned exactly as for racing Every spoke had the requisite tautness and the rim presented an even circle As winter drew on and the air became correspondingly

    Original URL path: http://www.classiclightweights.co.uk/wood-sprints.html (2016-02-09)
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