Rear Derailleurs

NOS Zeus Toe Clip / Cable Cinch Bolts: Chrome Hex Head - 9mm Shaft (Pair)

Chromed hex head bolts for toe clips, derailleur cable bolts, etc. Condition New old stock Details Pair

NOS Zeus Jockey Wheel Bolts SET: 2000 / Supercronos / Criterium / Gran Sport / Alfa / New Racer / Cosmos

Fresh Zeus rear derailleur pulley bolts! Hex head. Condition New old stock, no package. Details Pair

NIB/NOS Zeus New Racer Rear Derailleur: No Pulleys

Mostly complete New Racer RD, the version with metal knuckles. Missing jockey wheels/bolts. Condition I believe this is new old stock in retail bag with some shop wear, though a few of the pieces...

Zeus Supercronos Rear Derailleur Inner Parallelogram Plate

Inner derailleur parallelogram plate for the high end Zeus Supercronos RD. Condition Great used shape. No scrapes but light scratching throughout Details

Zeus Supercronos Rear Derailleur Outer Parallelogram Plate

Outer derailleur parallelogram plate for the high end Zeus Supercronos RD. Condition Great used shape. Decals look great with minimal wear. No scrapes. Light scratching throughout Details<

NOS Zeus Jockey Wheels Pulleys Set: 10t - Later Model - 2000 / Supercronos / Criterium / Gran Sport / Alfa / New Racer / Cosmos

Fresh Zeus jockey wheels! These were used on practically all of their models for their entire run. These are a later version with the markings "Zeus-Patent Made in Spain". They are otherwise...

NOS Zeus Jockey Wheels Pulleys Set: 10t - 2000 / Supercronos / Criterium / Gran Sport / Alfa / New Racer / Cosmos

Fresh Zeus jockey wheels! These were used on practically all of their models for their entire run (though they subbed in these otherwise identical "Zeus-Patent" marked pulleys very late in their run)...

SRAM XX1 Eagle Rear Derailleur: 12s Type 3 Mechanical - Lunar (Near MINT+ Low Miles)

Sleek Lunar colored XX1 Eagle cable-operated rear derailleur for 12 speed drivetrains!  Condition Near mint or better with low miles. Very minimal wear, the only spot worth pointing out is a very...

NOS Campagnolo Gran Sport Rear Derailleur: Steel Plated Bronze - 1950's - #1012/4 (Near Mint)

Nice example of the early Gran Sport rear mech. This is a 1950's version, identified via the barrel adjuster (ended sometime in the 50's) and toothless ball-bearing jockey wheels stock from those...

Campagnolo Chorus 10sp Carbon / Alloy Rear Derailleur: Short Cage - 1st Gen (50 Miles MINT)

This is the first gen of Chorus 10s RD circa ~2004 with a carbon faceplate and alloy cage (2nd gen has carbon cage & ti hardware plus "Titanium" on face under Chorus). This version still looks nice...

NOS Campagnolo Record Braze-on Cable Guide: #663 (Sold Individually)

Budget classic road bike framebuilder supplies! Condition New old stock Details Sold individually

Huret Touriste Léger Rear Derailleur: 1940's - Alloy Plates (EXC)

This rare rear derailleur out of France circa wartime to post-war 1943 to 1950.  It was designed around the materials Huret could source during the war, thus the piano wire. The pulley cage slides...

Simplex Route Leger Monobloc Bell Crank Rear Derailleur + Shifter: 3V - 3/32" - 1930's 1940's French (EXC)

This derailleur was fairly similar to the Le Cyclo & Cyclo standard rear derailleurs, consisting largely of a cage with two pulleys, a bell crank, and a chainstay clamp. According to Velobase this...

NOS Le Lewis Rear Derailleur: Alloy - Chainstay Clamp - Two Large Pulleys - 1930's-1940's - Shifter - French - RARE

The Lewis rear derailleur was made in France circa 1934 into the late 1940's. The derailleur is primarily aluminum construction, particularly curious if it was available during the war! It's a pretty...

Campagnolo C-Record A010 Rear Derailleur: 2nd Gen 1987-1989 (Near Mint)

Super rare new old stock example of the 2nd gen Campy C-Record rear derailleur circa ~1987 to 1989.  This second generation was in my opinion the most refined aesthetically out of the three...

Suntour Superbe Pro RD-5200 Rear Derailleur: Mid 1980's - Friction - Silver (Great)

This mid 1980's Superbe Pro rear derailleur is considered one of the best friction derailleurs ever!  It's super smooth and quiet, and reliable to no end.  Plus, it looks great!  It may not have the...

Suntour Superbe Pro RD-5200 Rear Derailleur: Mid 1980's - Friction - Silver

This mid 1980's Superbe Pro rear derailleur is considered one of the best friction derailleurs ever!  It's super smooth and quiet, and reliable to no end.  Plus, it looks great!  It may not have the...

NOS Simplex JUY 59 Rear Derailleur & Shifter: Riveted Badge - Plunger Push Rod Design - 1959 & 1960 - RARE

The JUY 59 was introduced in 1959 as an updated replacement for the JUY 51.  The overall profile is relatively similar, and the 59 has some significant upgrades.  First it did away with the...

NOS Simplex SLJ / Mavic SSC Retrofriction Shifter Left Spring #3667

Do you have a pair of Simplex or Mavic retrofriction downtube shifters that aren't working up to the full potential of these highly efficient models? Likely the culprit is the clutch springs.  These...

NOS Simplex #2560 SLJ Rear Derailleur Lower Tension Spring: Super LJ 5000 / AR 615 NI

We came into a small supply of Simplex rear derailleur rebuild parts! Lower spring for all Super LJ 5000 models (5000 GT, 5000 T, 5000 CT) plus SLJ AR 615 NI / AR-615 Condition New old stock. If...

NOS Huret Jubilee Rear Derailleur Cage Return Spring: #2219 - Short Cage (Lower)

We came into a little supply of Huret Jubilee rear derailleur rebuild parts!  This is the lower spring, technically the derailleur cage return spring.  This one is for short cage derailleurs...

NOS Simplex #2975 Derailleur Cage Stop Pin: 10 Pack - Prestige / SX / LJ / ETC (Pack of 10 Pins))

This pin screws into your rear derailleur's outer cage plate and stops the cages rotation when the pin contacts the derailleur body. This is the pin required for Prestige derailleurs, some LJ and SX...

NOS Simplex #2975 Derailleur Cage Stop Pin: Prestige / SX / LJ / ETC (Sold Individually)

We came into a small supply of Simplex rear derailleur rebuild parts! This pin screws into your rear derailleur's outer cage plate and stops the cages rotation when the pin contacts the derailleur...

Campagnolo C-Record Rear Derailleur: Prototype / 1st Gen (Near Mint)

The 1st generation Corsa Record rear mech was in a way a rebellious design.  It was in an era of the radical Dura Ace AX and Suntour's smooth shifting modernized derailleurs, and campy refused to...

Suntour GT RD-1200 Rear Derailleur: Long Cage - Touring (MINT+ Low Miles)

The Suntour GT from the 1970's was a super smooth shifting derailleur with capability to shift up to 34t cogs and 36t total capacity.  It wasn't sleek looking nor lightweight, but it sure did shift...

Huret Jubilee Rear Derailleur: Short Cage - Non-Drilled - Chainstay Guide Clip (Near Mint+)

The Huret Jubilee was designed as the ultimate derailleur, to commemorate the French company's 50th anniversary.  It featured a drilled cage, adjustable ball bearing jockey wheels, and tiny hardware...

SRAM X4 9 Speed Rear Derailleur: Black - Long Cage (NEW)

Affordable and reliable derailleur for SRAM 7/8/9/10 speed shifters with 1:1 ratio  Condition New in box Details Long cage

Frank Spivey(?) Long Cage For Campagnolo Nuovo Record: Drillium - Bullseye Pulleys - 123mm c-c - Cupertino/Spence Wolf (Near Mint+)

This custom extra long cage quite likely came out of Frank Spivey's workshop, alongside the better known yet ultra rare Spence Wolf Alpine.  This one is even longer, at 123mm center to center on the...

Precision Billet ProShift Rear Derailleur: 1990's Anodized Red/Silver, CNC

This is one of the coolest boutique derailleurs out of the 1990's!  It was a direct competitor of the Paul Powerglide as one of the few USA made alternatives to the XTR M900 rear derailleur at the...