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Vintage Components - SunTour rear derailleurs

On this page: XC Expert medium cage | SL short cage | Sprint 9000 short-cage | XCD 4050 long-cage | Alpha 5000 short-cage | Mountech long cage | BL-GT Touring | Superbe Pro short cage good for parts | VX-GT | Cyclone short-cage

See also: SunTour front derailleurs | SunTour shift levers

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SunTour XC Expert Medium Cage rear derailleur. Used, $65.00

  • Double-sprung slant parallelogram
  • 8-speed SunTour Accushift or friction compatible
  • Produced early-mid 1990s
  • Was part of the SunTour XCE group

XC Expert rear derailleur

In lovely condition

XC Expert resr derailleur

And from the back

SunTour SL short cage rear derailleur. New, $100.00

Part# 75100

  • SunTour part# RD-SL00-SSB
  • Produced 1991 - 1994
  • 195 grams
  • SunTour Accushift index or friction
  • Designed to handle up to a 26-tooth rear cog

SunTour SL rear derailleur

Clean, neat, functional SunTour design

SunTour SL rear derailleur

From the back

SunTour SL rear derailleur

It is new, in the box.

SunTour Sprint 9000 rear derailleur.

  • SunTour part#: RD-SP10-SSB
  • In 1987 SunTour redesigned the Sprint components. The rear derailleur got a new cage, parallelogram and name. It became the Sprint 9000. This new derailleur was produced from 1987 until 1990.
  • It will index 6 & 7 speed Accushift Winner Pro freewheels with the correct Sun Tour indexing levers.
  • SunTour's intention was for the Sprint components to compete against Shimano 600 and to fit between Sun Tour Superbe Pro and Cyclone lines.
  • Weight: 200 grams.

We have two: Lightly used | Used

Sprint 9000 rear deraileur. lightly used, $100.00

Part# RD-83-LU

Suntour sprint 9000 rear derailleur

The pulleys show how little use this derailleur has had.

SunTour Sprint 9000 rear derailleur

And just as nice from the back.

Sprint 9000 rear deraileur. used, $50.00

Part# RD-83-U

Sprint 9000 rear derailleur

Used, but still works well.

Suntour sprnt rear derailleur

From the back

Sprint derailleur

And from the top

SunTour XCD 4050 long-cage rear derailleur. Used, $50.00

  • SunTour 6 or 7-speed Accushift or friction compatible
  • Produced about 1987


From the front

XCD 4050

And from the back

SunTour Alpha 5000 short-cage rear derailleur. Used, $40.00

  • SunTour part# RD-5000-SS
  • Produced around 1987
  • About 270 grams
  • SunTour Accushift index or friction shifter compatible

SunTour Alpha 5000 rear derailleur

From the front

SunTour rear derailleur

Amd from the back.

SunTour Mountech wide-range rear derailleur. Used, $50.00

  • The photographed derailleur below has been sold, but we have more. Want one? Give us a call or shoot us an email.
  • This is a wide-range friction derailleur produced in the mid to late 1980s
  • Factory specs puts its maximum rear cog at 34 teeth

SunTour mountech rear derailleur

One of SunTour's first mountain-specific rear derailleurs

SunTour Mountech rear derailleur

The back side, showing the special large top pulley wheel.

SunTour BL GT wide-range rear derailleur. Used

  • The derailleur pictured below has been sold, but we have another one.
  • The "BL" stands for "Blue Line", a series of derailleurs intended to fit above the Vx and below the Cyclone derailleurs.
  • SunTour part# RD-3300
  • The BL derailleurs we made starting in 1981 and through at least 1984.
  • Weight: 220 grams
  • Though named "Blue Line", most BL derailleurs were made with black trim.

Picture is coming.....

SunTour Superbe Pro short cage friction rear derailleur, good for parts. Used, $25.00

  • Here's a great derailleur for spare parts.
  • Produced 1983 - 1986
  • SunTour part #RD-5200
  • Sealed bearing pulleys.
  • Factory specs say max cog size is 26, but depending on dropout geometry and wheel placement, it can sometimes be made to throw a 28. said this about the SunTour Superbe: "Many people regard the SunTour Superbe Pro (5200) as the finest friction derailleur of all time. It was light, strong, extremely effective and constructed to fantastic tolerances from the finest materials.

"No detail was overlooked, from the aluminium hanger bolt and pulley bolts to the sealed bearing pulley wheels to the stainless steel pivots with Allen heads that were removable so that the gear could be completely disassembled."

SunTour Superbe rear derailleur

It's missing a pulley

Superbe Pro rear derailleur

And from the back it can be seen that there are broken and bent pieces.

SunTour VX-GT rear derailleur

  • The VX was introduced in either 1976 or 1977 and was produced into 1981.
  • The VX is essentially a slimmed-down SunTour V. It has more aluminum and has a neater, cleaner design.
  • Both of our VX rear derailleurs have been overhauled and are ready for use.

We have two, both lightly used. VX #1 | #2

SunTour VX rear derailleur #1. Lightly used, $50.00

Lightly used

And from the back. Note the open cage for ease in chain placement and removal.

SunTour VX rear derailleur #2. Lightly used, $50.00

SunTour derailleurs shift so sweetly

And from the back.

SunTour Cyclone shortcage rear derailleur, 2nd-style. Used, $60.00

  • Produced about 1975
  • Made for a maximum cog of 26 teeth, but with a rear hanger dropping 32mm or more, it can handle a 28.
  • Weight: Only 179 grams
  • Has aftermarket Bullseye sealed bearing red alloy pulleys
  • This is the second version of the Cyclone.
  • This derailleur is a masterpiece of component design. The Cyclone probably shifted better than any derailleur in the world in 1976. The cable routing through the parallelogram is clever and simple.

SunTour Cyclone rear

This is about as good as a friction derailleur gets.

Cyclone rear derailleur

From the back


A close-up