Rear Derailleur Parts

Kogel 12T/12T Derailleur Pulley Set: 10s / 11s SRAM + Shimano + Campagnolo - Hybrid Ceramic -Blue (NEW)

Upgraded oversized cage and pulleys for many 10 and 11 speed rear derailleurs! Compatibility Shimano road and MTB 10 and 11 speed Campagnolo 11 speed Sram 2x MTB 10speed Sram 10 and 11 speed road groups NOT compatible with 10 speed...

Kogel Kolossos Oversized Derailleur Cage: SRAM Red eTap AXS - Hybrid Ceramic Pulleys (NEW)

Upgraded oversized cage and pulleys for your SRAM Red eTap AXS rear derailleur! Condition New in box, slight shop wear Details Part number: KOL-ETAP-AXS-R-RED Bearings: Hybrid ceramic Red cage, black pulleys

CeramicSpeed OSPW For SRAM eTap: Coated - Black - Ceramic (NEW)

Entirely developed, designed and produced in Denmark by CeramicSpeed, the Oversized Pulley Wheel System for SRAM eTap is a technologic advance for the cycling industry. Matching the highest quality materials with a unique design, the OSPW System...

NOS Huret Jockey Wheels: 10t - Black (Sold Individually, no cover plates)

Single jockey wheel with bushing, though no cover plates. Condition New old stock, mint Details 10 tooth

NOS Huret Rival Rear Derailleur Cage + 10t Jockey Wheels + Bolts

Complete derailleur cage system from the Huret Rival rear derailleur (and possibly other models) Condition New old stock, mint Details

NOS Zeus Criterium Return Spring: Ref. 52105.00

Fresh return springs for the Zeus Criterium rear derailleur! Condition New old stock Details  

NOS Zeus 2000 Return Spring: Ref. 52005.00

Fresh return springs for the legendary Zeus 2000 rear derailleur! Condition New old stock Details  

NOS(?) Zeus 2000 Titanox Lower Knuckle: Black Ano - Ref. 52008.00

Lower knuckle body piece for the legendary Zeus 2000 rear derailleur! Condition Appears new old stock, slightest  shop wear Details Black anodized

NOS(?) Zeus 2000 Titanox Upper Knuckle: Black Ano - Ref. 52002.00

Upper knuckle body piece for the legendary Zeus 2000 rear derailleur! Condition Appears new old stock Details Black anodized

Zeus Rear Derailleur Lower Pivot Bolt: 2000 / Criterium (used)

I THINK this is for the 1st generation Zeus 2000 and Criterium derailleurs, but I can't positively ID it via catalogs. Enjoy the low price if you think it'll work for you! Condition Great used shape Details Steel

NOS Zeus Rear Derailleur Upper Pivot Bolt: 2000 / Criterium

I THINK this is for the 1st generation Zeus 2000 and Criterium derailleurs, but I can't positively ID it via catalogs. Enjoy the low price if you think it'll work for you! Condition New old stock, no package Details Steel

NOS Zeus Rear Derailleur Upper Pivot Bolt: 2000 / Criterium?

I THINK this is for the 1st generation Zeus 2000 and Criterium derailleurs, but I can't positively ID it via catalogs. Enjoy the low price if you think it'll work for you! Condition New old stock, no package Details Steel

NOS Zeus Supercronos Rear Derailleur Lower Pivot Bolt

Original lower pivot bolt from the Supercronos rd Condition New old stock, no package Details Steel

NOS Zeus Supercronos Rear Derailleur Upper Pivot Bolt

Original upper pivot bolt from the Supercronos rd Condition New old stock, no package Details Steel

NOS Zeus 2000 & Criterium Rear Derailleur Lower Pivot Bolt: Ref. 52106.00

Original lower pivot bolt from the 1st generation Zeus 2000 and later generation Zeus Criterium rd, part number ref. 22100.00 Condition New old stock, no package Details  Part number: 52106.00 Steel

NOS Zeus 2000 Titanox Rear Derailleur Lower Pivot Bolt

Super rare original lower pivot bolt from the legendary Zeus 2000 Titanox #22000.00 (and steel?) rear derailleur. Unlike the titanium upper bolt, the lower bolt was chrome steel. Condition New old stock, no package Details  Part number: 52006...

NOS Zeus 2000 Titanox / Campagnolo Record Steel Rear Derailleur Upper Pivot Bolt

Super rare original upper pivot / mounting bolt from the legendary Zeus 2000 Titanox #22000.00 (and steel?) rear derailleur. It is also a killer upgrade for the 1st generation Campagnolo Record #1020 chromed bronze rear derailleur! It fits PERFECTLY (see...

NOS Bottle Cage / Fender / Rack Bolts: Thin Hex Head - Chrome - 5m (Pair)

Hard to source steel hex head bolts for your water bottle cages, mudguard & rack attachment to eyelets, extra long toe clip bolts, or a variety of other uses that take M5 bolts.  Great for your L'Eroica bikes or vintage road bike restoration...

NOS Zeus Bottle Cage / Fender / Rack Bolts: Chrome Hex Head - 5m (Pair)

Hard to source steel hex head bolts for your water bottle cages, mudguard & rack attachment to eyelets, extra long toe clip bolts, or a variety of other uses that take M5 bolts.  Great for your L'Eroica bikes or vintage road bike restoration...

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 Chrome steel Shaft length: 9mm  

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 Chrome steel  

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 such as the inner plate look like they could have been...

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 identical to their earlier ones with just "Zeus...

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). Condition New old stock, no package...

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

Budget classic road bike framebuilder supplies! Condition New old stock Details Sold individually #663

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 are quite rare, grab them while you can!  If...

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 you buy our remaining stock you can have the card...

NOS Simplex #2973 Rear Derailleur Upper Tension Spring: Prestige / Criterium

We came into a small supply of Simplex rear derailleur rebuild parts! Upper spring for all Prestige and Criterium models. Condition New old stock. If you buy our remaining stock you can have the card shown in the photo Details Sold...

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 only Condition New old stock. If you buy the...

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 models, likely others. Condition New old stock in...

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 body. This is the pin required for Prestige derailleurs,...