RSP Mix & Match Headsets

RSP "Mix up Cups" comprehensive range of separate top and bottom headset cups. All cups are lightweight alloy with sealed cartridge bearings, top cups come complete with top cap and bolt, bottom cups come complete with alloy crown race.

See Picture "How to choose your headset cup"
 
Type & Size:

RAT400 Top 1 1/8 External EC34/28.6
  • 1 1/8" External Top Cup
  • Fits Headtube Diameters Of 34mm
  • For 1 1/8" - 28.6mm Steerers
RAT401 Top 1 1/8 Zero Stack ZS44/28.6
  • 1 1/8" Zero Stack Top Cup
  • Fits Headtube Diameters Of 44mm
  • For 1 1/8" - 28.6mm Steerers
RAT402 Top 1 1/8 Zero Stack ZS49/28.6
  • 1 1/8" Zero Stack Top Cup
  • Fits Headtube Diameters Of 49mm
  • For 1 1/8" - 28.6mm Steerers
RAT403 Top 1 1/8 Internal IS41/28.6
  • 1 1/8" Internal Top Cup
  • Fits Headtube Diameters Of 41mm
  • For 1 1/8" - 28.6mm Steerers
RAT404 Top 1 1/8 Internal IS42/28.6
  • 1 1/8" Internal Top Cup
  • Fits Headtube Diameters Of 42mm
  • For 1 1/8" - 28.6mm Steerers
RAT405 Top 1.5 External EC49/38.1
  • 1.5" External Top Cup
  • Fits Headtube Diameters Of 49mm
  • For 1.5" - 38.1mm Steerers
RAT406 Bottom 1 1/8 External  EC34/30
  • 1 1/8" External Bottom Cup
  • Fits Headtube Diameters Of 34mm
  • For 1 1/8" - 30mm Steerers
RAT407 Bottom 1 1/8 Zero Stack ZS44/30
  • 1 1/8" Zero Stack Bottom Cup
  • Fits Headtube Diameters Of 44mm
  • For 1 1/8" - 30mm Steerers
RAT408 Bottom 1 1/8 Internal IS41/30
  • 1 1/8" Internal Bottom Cup
  • Fits Headtube Diameters Of 41mm
  • For 1 1/8" - 30mm Steerers
RAT409 Bottom 1 1/8 Internal IS47/33
  • 1 1/4" Internal Bottom Cup
  • Fits Headtube Diameters Of 47mm
  • For 1 1/4" - 33mm Steerers
RAT410 Bottom 1.5 Internal IS52/40
  • 1.5" Internal Bottom Cup
  • Fits Headtube Diameters Of 52mm
  • For 1.5" - 40mm Steerers
RAT411 Bottom 1.5 Zero Stack ZS56/40
  • 1.5" Zero Stack Bottom Cup
  • Fits Headtube Diameters Of 56mm
  • For 1.5" - 40mm Steerers
RAT412 Bottom 1.5 Zero Stack ZS55/40
  • 1.5" Zero Stack Bottom Cup
  • Fits Headtube Diameters Of 55mm
  • For 1.5" - 40mm Steerers
RAT413 Bottom 1 1/8 Zero Stack ZS49/30
  • 1 1/8" Zero Stack Bottom Cup
  • Fits Headtube Diameters Of 49mm
  • For 1 1/8" - 30mm Steerers
RAT414 Bottom 1.5 External EC49/40
  • 1.5" External Bottom Cup
  • Fits Headtube Diameters Of 49mm
  • For 1.5" - 40mm Steerers
RAT415 Crown Race 1.5 1 1/8 Reducer
  • Suitable For Use With RAT410, 11, 12 & 14
  • Allows 1 1/8" - 30mm Steerers to be used in 1.5" frames

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