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Peugeot Grand Tourisme Tandem 1980 specifications.

 

Please note specifications are broadly similar for all models, but not all markets. The later SWB models have a slightky different spec.

CommentsParts Availability
Frame
Frame materialSteel
ConstructionBraze Welded
StyleDouble Gents or Ladyback
GeometryTwin Laterals
Seat Tubes28.6mmdia
Top Tubes28.6mmdia
Down Tube30.2mmdia
DrainpipeEllipticalapprox 50x25mm
Lateralsdia
DroputsPressed steel horizontalNo gear hangerBolt on Shimano gear hanger can be fitted
Braze onsRear cantilevers. Bottle dynamo (rear). Reaction arm for drum brake. Simplex shifter bosses
Forks
MaterialSteel
ConstructionTwin Crownbraze-ons for cantilevers
Dropoutspressed steel
Steerer dia28mm O/D 22mm I/D 1mm threadingObsoleteFrench threading. Make sure you retain the top race & nut
Headset
ObsoleteFrench tandem threading 28mm x 1You can use a new 1 1/8" threaded (or unthreaded) headset as long as you retain the original top bearing cup and locknutNo information as yet
Bottom Brackets
Front Eccentric52mm dia x 68mm shellFrench ThreadedEccentric can be replaced by a generic 68mm x 53mm (SJS) and a 111mm square taper cartridge BB
Front Cup ThreadsFrench both cups RH threaded 25.4 tpiLock ring on RHSFrench cups not widely availabe. French cartidge style replacement BBs are available from us in Europe or Velo Orange in USA. Threadless BB can be used (SJS). Balls are 1/8"
Front Axle length114.5mm/120mm (later models)ISO taperSeparate BB axles are still available but in a few lengths only.
Rear BB68mm shellFrench Threaded
Rear Cup ThreadsFrench both cups RH threaded 25.4 tpiLock ring on RHSSee above re French threading
Rear axle length126mm/120mm (later models)For TA Cyclotouriste double chainset RHS; single chainset LHS ISO taperSeparate BB axles are still available but in a few lengths only.
Seat Posts
Diameter26mm26mm seat posts still available but not widely. Beware using 25.4mm with shims as you will also need to shim the steerer stem.
MaterialChrome plated steel
Wheels
Front Hub MaterialAlloy (no maker)unbranded believed to be AtomOK
Front hub bearingsCup and ConeNo information
Front Axle length95mmOLNStandard 100mm OLN will fit OK
Front axle dia9mm
Spokes36x 1.9mm Dia plain gauge laced 3 cross
RimRigida Chrolux Chromed steel 700c x ???mm700C steel rims are available . Rigida steel rims are not imported in to UK
Rear Hub materialAlloy Atom with integral drum brake & screw on freewheelOriginally 5 speedNot available. Spares not available.
Rear hub bearingsCup and cone
Rear axle lengthvaries approx145mm
Rear axle dia10mmprone to bending/breakage upgraded to 12mm later in productionReplacement hardened steel 10mm axle available from SJS
Spokes36x 2.2mm Dia plain gauge laced 1 cross700C steel rims are available . Rigida steel rims are not imported in to UK
RimRigida Chromed steel 700c x ???mm
Tyres
TypeMichelin World TourDo not fit tyres intended for use on modern hooked rims. The maximum safe pressure is 60psiOK
Size700x35COK
Chainsets
Rear Chainset typeTA Cyclotouriste crossover with 32 teeth chainwheel on LHS & 52T/42T double on LHSNLA Some tandems were fitted with Stronglight chainsets modele 49 or 99 (later models)TA have replaced this model with Pro Vis. Try Spa cycles. Replacement rings freely available.
Rear Crank length170mm
Rear Pedal threadFrenchCan be retapped to English threads
Front Chainset typeTA Cyclotouriste crossover with 32 teeth chainwheel on LHSNLA Some tandems were fitted with Stronglight 49 or 99 (later models)Not available - alternative tandem cranksets available
Front Crank length170mm
Front Pedal threadFrenchCan be retapped to English threads
Pedals
Typechrome/alloy quill type unbrandednot user serviceable. French threaded Cranks can be easily retapped to standard British pedal threads
ToeclipsChristophe Chrome PlatedBelieved factory fittedStill available
Toe StrapsChristophe LeatherBelieved factory fittedStill available
Brakes
Brake typeMafac cantilevers front & rearCanti boss spacing 60mm not compatible with modern cantis/V brakes. Replacement blocksare available
LeversBoth operated by one lever on RHS of captain's barsStill available
Drag BrakeAtom: incorporated into rear hub operated by lever on LHS of captain's barsNot very effectiveNo spares available. Shoes can be relined see Tandem Club
Handlebars & Stems
CaptainChromed steel maes bends25mm (French) Clamp Size. Grips (obsolete French) 23.5mmStandard British 1" bars will fit stem clamp OK 23.8mm (road) brakes will fit bars OK
Captain's StemAlloy25mm (French) clamp size 22mm (French Tandem) stem diameterStandard British stem for 1 inch threaded will fit OK
StokerChromed steel straights25mm (French) Clamp Size Grips (obsolete French) 23.5mmStandard British 1" bars will fit OK
Stoker stem"Atax" Alloy 26mm clamp dia on to seat post. 25mm clamp for handlebarsCheck sizeStandard British 1" bars will fit OK. No stoker stems available in 26mm. Possible to shim 27.2mm stoker stems to 26mm
Saddles
TypePeugeot branded Selle San Marco plastic paddedCan replace with any standardsaddle
FittingStandard rails
Gears
TypeSimplex deraileur front (Branded Peugeot) & rear5 speed will pull 6 speedNot available. Will need to fit bolt on hanger for modern gears
ShifterSimplex frictionBraze ons are not compatible with Shimano D/T levers (can be modified)Not available. Friction and indexed DT leavers still freely available
Mudguards
TypeStainless steel with black center stripe. Not conventionally stayedRear incorporates light. Front is mounting for lightNormal SKS chromoplastic mudguards can be fitted. Can modify if required to accommodate lighting
Lighting
TypeBottle dynamo Soubitez On rear wheel. Front and rear lights are mudguard mounting
.