Derailleur Pulley
Bicycle rear derailleur pulley size?

What will happen if 2 different pulleys are used? For example, a 13-tooth and a 15-tooth?

Well, Shimano does do this on a couple of their cheaper derailleurs. This is to take up more chain so they can provide a wider range of gears.

Retrofitting one size for another is not advisable since it makes no performance difference and could cause clearance problems with the chain and pulley cage.

Campagnolo Super Record 11s – Replacement of derailleur pulleys

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New Jockey Wheel Rear Derailleur Pulley w Bearing 11T 7075 Blue


New Jockey Wheel Rear Derailleur Pulley w Bearing 11T 7075 Blue


$9.99


2011 Sram Red ceramic bearing pulley rear derailleur, NIB - not a take off!


2011 Sram Red ceramic bearing pulley rear derailleur, NIB – not a take off!


$174.00


FORTE 10T PULLEY SET ROAD / MTB BIKE REAR DERAILLEUR  PULLEY (NEW)


FORTE 10T PULLEY SET ROAD / MTB BIKE REAR DERAILLEUR PULLEY (NEW)


$8.95


XT M773 Series 10spd Rear Derailleur Pulley Set


XT M773 Series 10spd Rear Derailleur Pulley Set


$18.99


105 5700-SS/GS 10spd Rear Derailleur Pulley Set


105 5700-SS/GS 10spd Rear Derailleur Pulley Set


$13.99


“Redbike” New TOKEN 7075 T6 Rear Derailleur Pulley TK1701, 10T, Pink


“Redbike” New TOKEN 7075 T6 Rear Derailleur Pulley TK1701, 10T, Pink


$32.50


“Redbike” New TOKEN 7075 T6 Rear Derailleur Pulley TK1701, 10T, Black


“Redbike” New TOKEN 7075 T6 Rear Derailleur Pulley TK1701, 10T, Black


$32.50


“Redbike” New TOKEN 7075 T6 Rear Derailleur Pulley TK1701, 10T, Gold


“Redbike” New TOKEN 7075 T6 Rear Derailleur Pulley TK1701, 10T, Gold


$32.50


DERAILLEUR PULLEYS - Campagnolo Record - Fits All Campy 8 Speed Derailleurs NEW


DERAILLEUR PULLEYS – Campagnolo Record – Fits All Campy 8 Speed Derailleurs NEW


$28.99


“Redbike” New KCNC Rear Derailleur Pulley, 10T, Silver


“Redbike” New KCNC Rear Derailleur Pulley, 10T, Silver


$31.50


“Redbike” New KCNC Rear Derailleur Pulley, 10T, Black


“Redbike” New KCNC Rear Derailleur Pulley, 10T, Black


$31.50


New KCNC Alloy Rear Derailleur Pulley / Jockey wheel , 10T, Red


New KCNC Alloy Rear Derailleur Pulley / Jockey wheel , 10T, Red


$30.96


Jockey Wheel 11T Derailleur Pulley Shimano Sram XO XTR Red


Jockey Wheel 11T Derailleur Pulley Shimano Sram XO XTR Red


$9.99


New TOKEN TK1711 Rear Derailleur Pulley / Jockey wheel , 11T, 1 piece, Blue


New TOKEN TK1711 Rear Derailleur Pulley / Jockey wheel , 11T, 1 piece, Blue


$18.46


SRam X0 X-0 X.0 XO X-O X.O derailleur pulleys jockey wheels; bases covered!


SRam X0 X-0 X.0 XO X-O X.O derailleur pulleys jockey wheels; bases covered!


$1.25


SRAM Derailleur Pulley Set, '04 X.9, '01-'03 9.0+SL


SRAM Derailleur Pulley Set, ’04 X.9, ’01-’03 9.0+SL


$26.99


LJ SIMPLEX DERAILLEUR CAGE WITH PULLEYS (BEARING STYLE) OFFSET PULLEYS


LJ SIMPLEX DERAILLEUR CAGE WITH PULLEYS (BEARING STYLE) OFFSET PULLEYS


$25.00


DERAILLEUR PULLEYS - Campagnolo - Fits 10 Speed Derailleurs w/ Alloy Cages ONLY


DERAILLEUR PULLEYS – Campagnolo – Fits 10 Speed Derailleurs w/ Alloy Cages ONLY


$29.99


Suntour V GT Derailleur Vintage 1976 Campagnolo Compatible Pulleys Touring Rare!


Suntour V GT Derailleur Vintage 1976 Campagnolo Compatible Pulleys Touring Rare!


$69.95


Bicycle Bike Cycling CNC 7075 Bearing Derailleur Pulley Jockey Wheel 11T Blue


Bicycle Bike Cycling CNC 7075 Bearing Derailleur Pulley Jockey Wheel 11T Blue


$9.95


Dura Ace 8 Speed Rear Derailleur RD 7402 Aluminum Pulleys Short Cage Index Road


Dura Ace 8 Speed Rear Derailleur RD 7402 Aluminum Pulleys Short Cage Index Road


$0.99


TOKEN TK1711TBT BLUE  SHIMANO *  Rear Derailleur Pulley SEALED BEARING / Jockey


TOKEN TK1711TBT BLUE SHIMANO * Rear Derailleur Pulley SEALED BEARING / Jockey


$52.00


KCNC ALLOY REAR DERAILLEUR PULLEY 10T CAMPY BLUE c


KCNC ALLOY REAR DERAILLEUR PULLEY 10T CAMPY BLUE c


$30.99


KCNC ALLOY REAR DERAILLEUR PULLEY 10T CAMPY GOLD PAIR c


KCNC ALLOY REAR DERAILLEUR PULLEY 10T CAMPY GOLD PAIR c


$30.99


New KCNC Alloy Rear Derailleur Pulley bolts, Red


New KCNC Alloy Rear Derailleur Pulley bolts, Red


$8.00


New KCNC Alloy Rear Derailleur Pulley / Jockey wheel , 10T , Gold


New KCNC Alloy Rear Derailleur Pulley / Jockey wheel , 10T , Gold


$30.96


SHIMANO ALIVIO 8 speed rear derailleur; road; mountain; aluminum jockey/pulley


SHIMANO ALIVIO 8 speed rear derailleur; road; mountain; aluminum jockey/pulley


$2.25


New TOKEN TK1701 Rear Derailleur Pulley / Jockey wheel , 10T, 1 piece, Red


New TOKEN TK1701 Rear Derailleur Pulley / Jockey wheel , 10T, 1 piece, Red


$18.46


NEW! AL7075 Rear Derailleur Pulley 11T Road Bike Red


NEW! AL7075 Rear Derailleur Pulley 11T Road Bike Red


$14.85


CYCLO alloy derailleur pulley, nos, Herse, Singer


CYCLO alloy derailleur pulley, nos, Herse, Singer


$24.99


Aest CNC Aluminium Alloy Bicycle Rear Derailleur Pulley 10g Rd Shimano&sram 2pcs


Aest CNC Aluminium Alloy Bicycle Rear Derailleur Pulley 10g Rd Shimano&sram 2pcs


$24.99


Aest CNC Aluminium Alloy Bicycle Rear Derailleur Pulley 10g Ti Shimano&sram 2pcs


Aest CNC Aluminium Alloy Bicycle Rear Derailleur Pulley 10g Ti Shimano&sram 2pcs


$24.99


Aest CNC Aluminium Alloy Bicycle Rear Derailleur Pulley 10g Bk Shimano&sram 2pcs


Aest CNC Aluminium Alloy Bicycle Rear Derailleur Pulley 10g Bk Shimano&sram 2pcs


$24.99


Aest CNC Aluminium Alloy Bicycle Rear Derailleur Pulley 10g Be Shimano&sram 2pcs


Aest CNC Aluminium Alloy Bicycle Rear Derailleur Pulley 10g Be Shimano&sram 2pcs


$24.99


Aest CNC Aluminium Alloy Bicycle Rear Derailleur Pulley 10g Gd Shimano&sram 2pcs


Aest CNC Aluminium Alloy Bicycle Rear Derailleur Pulley 10g Gd Shimano&sram 2pcs


$24.99


2pc RED Rear Derailleur 11T Alloy Jockey Wheels Pulley For Shimano SRAM


2pc RED Rear Derailleur 11T Alloy Jockey Wheels Pulley For Shimano SRAM


$17.99


Buy It Now Price!!! New RIDEA Keronite Rear Jockey Wheel Derailleur 11T pulley


Buy It Now Price!!! New RIDEA Keronite Rear Jockey Wheel Derailleur 11T pulley


$53.99


Buy It Now Price!!! New RIDEA Keronite Rear Jockey Wheel Derailleur 11T pulley


Buy It Now Price!!! New RIDEA Keronite Rear Jockey Wheel Derailleur 11T pulley


$53.99


Buy It Now Price!!! New RIDEA Keronite Rear Jockey Wheel Derailleur 11T pulley


Buy It Now Price!!! New RIDEA Keronite Rear Jockey Wheel Derailleur 11T pulley


$53.99


Buy It Now Price!!! New RIDEA Keronite Rear Jockey Wheel Derailleur 11T pulley


Buy It Now Price!!! New RIDEA Keronite Rear Jockey Wheel Derailleur 11T pulley


$53.99


JET BLACK ALLOY DERAILLEUR PULLEY - RED


JET BLACK ALLOY DERAILLEUR PULLEY – RED


$43.74


Suntour Superbe Pro Rear Derailleur Classic Road/Touring Sealed Bearing Pulleys


Suntour Superbe Pro Rear Derailleur Classic Road/Touring Sealed Bearing Pulleys


$26.00


SHIMANO DEORE XT DERAILLEURS WITH SEALED CARTRIDGE PULLEYS


SHIMANO DEORE XT DERAILLEURS WITH SEALED CARTRIDGE PULLEYS


$60.00


AEST REAR DERAILLEUR PULLEY JOCKEY WHEEL 11T KCNC 105 Tune Xtr Xt Sram Dura Ace


AEST REAR DERAILLEUR PULLEY JOCKEY WHEEL 11T KCNC 105 Tune Xtr Xt Sram Dura Ace


$9.99


Simplex Super Prestige rear derailleur pulleys set  (NOS)


Simplex Super Prestige rear derailleur pulleys set (NOS)


$19.00


VINTAGE CAMPAGNOLO REAR DERAILLEUR PULLEY , NOS


VINTAGE CAMPAGNOLO REAR DERAILLEUR PULLEY , NOS


$20.00


Campy 11-Speed Rear Derailleur Pulley Bolts for SR & RE


Campy 11-Speed Rear Derailleur Pulley Bolts for SR & RE


$36.51


SRAM Derailleur pulleys for 2003-07 X.0, short cage X.9 & X.7


SRAM Derailleur pulleys for 2003-07 X.0, short cage X.9 & X.7


$31.75


SRAM Derailleur pulleys for 2005-09 X.9 med & long cage


SRAM Derailleur pulleys for 2005-09 X.9 med & long cage


$18.10


Ultegra/105 6700/5700-GS Rear Derailleur Pulley Bolt Set


Ultegra/105 6700/5700-GS Rear Derailleur Pulley Bolt Set


$10.55


Ultegra/105 6700/5700-SS Rear Derailleur Pulley Bolt Set


Ultegra/105 6700/5700-SS Rear Derailleur Pulley Bolt Set


$9.71


Shimano XT M730, LX M560  STX-RC MC33 Rear Derailleur Pulley Bolt


Shimano XT M730, LX M560 STX-RC MC33 Rear Derailleur Pulley Bolt


$3.26


Shimano XT M772 Rear Derailleur Pulley Bolt


Shimano XT M772 Rear Derailleur Pulley Bolt


$3.29


Shimano 8/9/10-Speed Rear Derailleur Pulley Bolt


Shimano 8/9/10-Speed Rear Derailleur Pulley Bolt


$5.61


Tacx Ball Bearing Derailleur Pulley Set


Tacx Ball Bearing Derailleur Pulley Set


$15.83


SRAM 2004-05 X.9 derailleur pulleys, cartridge bearings


SRAM 2004-05 X.9 derailleur pulleys, cartridge bearings


$28.57


Campagnolo Chorus 11-Speed Derailleur Pulley: Pair


Campagnolo Chorus 11-Speed Derailleur Pulley: Pair


$34.92


Tacx Campy Stainless Derailleur Pulleys


Tacx Campy Stainless Derailleur Pulleys


$15.48


FSA Derailleur Pulleys with Ceramic Cart Bearings - Shimano Red


FSA Derailleur Pulleys with Ceramic Cart Bearings – Shimano Red


$87.29


XTR M980 10-speed Rear Derailleur Pulley Set


XTR M980 10-speed Rear Derailleur Pulley Set


$46.03


Tacx Shimano Ceramic Derailleur Pulley, 10-Speed


Tacx Shimano Ceramic Derailleur Pulley, 10-Speed


$63.49


Campy 11-Speed Rear Derailleur Pulley Bolts


Campy 11-Speed Rear Derailleur Pulley Bolts


$22.22


Enduro Zero Derailleur Pulleys Ceramic Bearings - SRAM Road


Enduro Zero Derailleur Pulleys Ceramic Bearings – SRAM Road


$111.43


Tacx SRAM Ceramic Derailleur Pulleys Set


Tacx SRAM Ceramic Derailleur Pulleys Set


$63.49


SRAM Force/ Rival/ Apex Rear Derailleur Pulley Set


SRAM Force/ Rival/ Apex Rear Derailleur Pulley Set


$18.25


Enduro Zero Derailleur Pulleys Ceramic Bearings - Shimano Road


Enduro Zero Derailleur Pulleys Ceramic Bearings – Shimano Road


$123.81


TOKEN TK1711TBT BLUE SHIMANO *  Rear Derailleur Pulley SEALED BEARING


TOKEN TK1711TBT BLUE SHIMANO * Rear Derailleur Pulley SEALED BEARING


$52.00


KCNC ALLOY REAR DERAILLEUR PULLEY 11T BLACK PAIR c


KCNC ALLOY REAR DERAILLEUR PULLEY 11T BLACK PAIR c


$30.99


KCNC ALLOY REAR DERAILLEUR PULLEY 11T GOLD PAIR c


KCNC ALLOY REAR DERAILLEUR PULLEY 11T GOLD PAIR c


$30.99


KCNC ALLOY REAR DERAILLEUR PULLEY BOLTS BLUE c


KCNC ALLOY REAR DERAILLEUR PULLEY BOLTS BLUE c


$9.99


KCNC ALLOY REAR DERAILLEUR PULLEY BOLTS GOLD c


KCNC ALLOY REAR DERAILLEUR PULLEY BOLTS GOLD c


$9.99


New Taiwan Made 7075 CNC Alloy Rear Derailleur Pulley / Jockey wheel ,11T, Black


New Taiwan Made 7075 CNC Alloy Rear Derailleur Pulley / Jockey wheel ,11T, Black


$12.00


TOKEN AL 10T PULLEY CAMPY REAR DERAILLEUR BOLT SILVER c


TOKEN AL 10T PULLEY CAMPY REAR DERAILLEUR BOLT SILVER c


$55.99


KCNC ALLOY REAR DERAILLEUR PULLEY 11T RED PAIR c


KCNC ALLOY REAR DERAILLEUR PULLEY 11T RED PAIR c


$30.99


KCNC ALLOY REAR DERAILLEUR PULLEY 11T BLUE PAIR c


KCNC ALLOY REAR DERAILLEUR PULLEY 11T BLUE PAIR c


$30.99


KCNC ALLOY REAR DERAILLEUR PULLEY BOLTS SILVER c


KCNC ALLOY REAR DERAILLEUR PULLEY BOLTS SILVER c


$9.99


KCNC ALLOY REAR DERAILLEUR PULLEY 10T CAMPY RED c


KCNC ALLOY REAR DERAILLEUR PULLEY 10T CAMPY RED c


$30.99


“Redbike” New MOWA 11T Jockey Wheels Rear Derailleur Pulley , Orange


“Redbike” New MOWA 11T Jockey Wheels Rear Derailleur Pulley , Orange


$17.00


“Redbike” New MOWA 11T Jockey Wheels Rear Derailleur Pulley , Gold


“Redbike” New MOWA 11T Jockey Wheels Rear Derailleur Pulley , Gold


$17.00


KCNC AL REAR DERAILLEUR PULLEY 11T BOLTS RED PAIR c


KCNC AL REAR DERAILLEUR PULLEY 11T BOLTS RED PAIR c


$39.99


KCNC AL REAR DERAILLEUR PULLEY 11T BOLTS BLUE PAIR c


KCNC AL REAR DERAILLEUR PULLEY 11T BOLTS BLUE PAIR c


$39.99


KCNC AL REAR DERAILLEUR PULLEY 11T BOLTS GOLD PAIR c


KCNC AL REAR DERAILLEUR PULLEY 11T BOLTS GOLD PAIR c


$39.99


KCNC AL REAR DERAILLEUR PULLEY 11T BOLTS BLACK PAIR c


KCNC AL REAR DERAILLEUR PULLEY 11T BOLTS BLACK PAIR c


$39.99


KCNC AL REAR DERAILLEUR PULLEY 11T BOLTS SILVER PAIR c


KCNC AL REAR DERAILLEUR PULLEY 11T BOLTS SILVER PAIR c


$39.99


KCNC AL REAR DERAILLEUR PULLEY 11T BOLTS RED PAIR AL c


KCNC AL REAR DERAILLEUR PULLEY 11T BOLTS RED PAIR AL c


$39.99


Shimano rear derailleur pulleys


Shimano rear derailleur pulleys


$7.50


Huret Upper Black Derailleur Pulley


Huret Upper Black Derailleur Pulley


$5.49


Huret Upper Red Derailleur Pulley


Huret Upper Red Derailleur Pulley


$7.99


Simplex Derailleur Outer Pulley Cage Plate New


Simplex Derailleur Outer Pulley Cage Plate New


$7.99


Simplex Derailleur Inner Pulley Cage Plate New


Simplex Derailleur Inner Pulley Cage Plate New


$7.99


Shimano Long Derailleur Pulley Cage Plate NOS


Shimano Long Derailleur Pulley Cage Plate NOS


$0.99


Shimano Rear Derailleur Pulley Cage Plates Parts


Shimano Rear Derailleur Pulley Cage Plates Parts


$8.99


One pair Shimano Dura Ace 10 speed derailleur pulleys


One pair Shimano Dura Ace 10 speed derailleur pulleys


$19.99


One pair Shimano 10 speed derailleur pulleys


One pair Shimano 10 speed derailleur pulleys


$15.00


One pair Shimano 10 speed derailleur pulleys


One pair Shimano 10 speed derailleur pulleys


$15.00


Sram Ceramic Sealed Bearing Derailleur Pulley Kit - Set of 2 686 13x6x5mm


Sram Ceramic Sealed Bearing Derailleur Pulley Kit – Set of 2 686 13x6x5mm


$29.95


Wheels MFG Ceramic Sealed Bearing 606 17x6x6 Fits Shimano Derailleur Pulleys


Wheels MFG Ceramic Sealed Bearing 606 17x6x6 Fits Shimano Derailleur Pulleys


$19.95


“Redbike” New TOKEN 7075 T6 Rear Derailleur Pulley TK1701, 10T, Green


“Redbike” New TOKEN 7075 T6 Rear Derailleur Pulley TK1701, 10T, Green


$32.50


Token CNC Rear Derailleur Pulley/Jockey wheel Gold 2pc New


Token CNC Rear Derailleur Pulley/Jockey wheel Gold 2pc New


$7.50


Token 4C TK171TBT Rear Derailleur Pulley Shimano 11T -


Token 4C TK171TBT Rear Derailleur Pulley Shimano 11T -


$52.99


Campagnolo Record pulley bolt set fits 2000-2006


Campagnolo Record pulley bolt set fits 2000-2006


$30.29


Campagnolo Pulley Bolt Sets…

SRAM 08-09 X.0 Short Cage, Pulley, & Spring Assembly


SRAM 08-09 X.0 Short Cage, Pulley, & Spring Assembly


$99.84


SRAM Pulley & Spring Assembly…

Shimano Tourney TX55 6/7 Speed Rear Derailleur


Shimano Tourney TX55 6/7 Speed Rear Derailleur


$11.23


Shimano Rear DerailleursAdvanced light-action designTX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur cageItem SpecificationsIntended UseMountainCassette Spacing6-Speed,Shimano/SRAM 7Shifter/Derailleur CompatibilityShimanoLargest Cog34teethChain Wrap Capacity43teethDerailleur ActionTop-Normal (Traditional)…

Shimano Alivio M410-SGS Rear Derailleur Black


Shimano Alivio M410-SGS Rear Derailleur Black



Shimano Alivio Rear Derailleurs.Direct-attach rear derailleursAdvanced light-action designTeflon-coated bushingsItem SpecificationsColorBlackWeight312gIntended UseMountainCassette SpacingShimano/SRAM 8Shifter/Derailleur CompatibilityShimanoLargest Cog34teethChain Wrap Capacity43teethDerailleur ActionTop-Normal (Traditional)Cage LengthLong…


SRAM Road Force Rear Derailleur


SRAM Road Force Rear Derailleur


$102.40


The SRAM Force Rear Derailleur represents the same design philosophy that has yielded our best-in-class products for the MTB market. The Force takes advantage of Exact Actuation, an actuation ratio that delivers precise 3mm shifts in every gear along with the widest range of adjustment available, delivering speed and performance.Carbon & aluminum pulley cage, magnesium inner parallelogram linkMust…


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