DERAILLEURS

The Box Four Rear Derailleur is the base of Prime 9 Technology that offers an affordable clutch based 1 by 8-speed derailleur that is simple and lightPerfect candidate for every entry-level bike that traditionally has a 3 by drive-train that is neither durable nor user friendlyFor those seeking an affordable way into the world of 1x drivetrains on an otherwise entry level platformFeatures Box`s Limited Slip Clutch, durable nylon composite knuckle and direct channel cable stayDie cast linkage...

Innovatiive shape created with 3D Embrace technology increases shifting precision, speed, power and ensures the optimum distance from the sprocket at all timesNew longer cage model to support the use of 11-34t cassettesThe upper portion of the gearbox is made of carbon fiber-reinforced technopolymer for low weight and high durabilityConsistent accuracy through small bump and vibration absorbtionRD20-SE12412sp34LongBLK225g ...

Optimised spring return - On rough roads, the spring positioned between the upper body and the pivot absorbs the vibrations, ensuring the chain always rest properly on the sprockets12-tooth jockey wheel on the rocker arm, perfect for use with cassettes that have a wide range of teeth and ensures constant chain tensionRemovable pivot is compatible with hanger mount and direct mount style framesCompatible with spacing and axle types commonly associated with new hydraulic road disc brake...

EKAR 13 speed derailleur is custom designed to work specifically in conjuction with the EKAR drivetrain One specific function allows it to be fine tuned for optimal performanceParallelogram 2D trajectory designed to work flawlessly with larger cog jumps and EKAR cassettesRedesigned mechanical clutch system works to absorb chain shock on any terrainDifferentiated pulleys offer better control and retention of the chainEKAR13sp44LongBLK ...

Carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and the most advanced silencing pulleys ever createdCompatible with Shimano Dura Ace 9100 / 9150 / 9170 , Ultegra 8000 / 8050. Fits up to 32T cassetteProprietart pulley design is able to reduce the sound level by 12-14dB when compared to stock Dura Ace pulleysMono-plate cage dynamically reacts to chain angle for reduced friction and lost wattsComplete cage, lockring tool, 2x spare xring rubbers, 14ml...

Carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and the most advanced silencing pulleys ever createdCompatible with Shimano Dura Ace 9100 / 9150 / 9170 , Ultegra 8000 / 8050. Fits up to 32T cassetteProprietart pulley design is able to reduce the sound level by 12-14dB when compared to stock Dura Ace pulleysMono-plate cage dynamically reacts to chain angle for reduced friction and lost wattsComplete cage, lockring tool, 2x spare xring rubbers, 14ml...

Carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and the most advanced silencing pulleys ever createdCompatible with Shimano Dura Ace 9100 / 9150 / 9170 , Ultegra 8000 / 8050. Fits up to 32T cassetteProprietart pulley design is able to reduce the sound level by 12-14dB when compared to stock Dura Ace pulleysMono-plate cage dynamically reacts to chain angle for reduced friction and lost wattsComplete cage, lockring tool, 2x spare xring rubbers, 14ml...

Carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and the most advanced silencing pulleys ever createdCompatible with Shimano Dura Ace 9100 / 9150 / 9170 , Ultegra 8000 / 8050. Fits up to 32T cassetteProprietart pulley design is able to reduce the sound level by 12-14dB when compared to stock Dura Ace pulleysMono-plate cage dynamically reacts to chain angle for reduced friction and lost wattsComplete cage, lockring tool, 2x spare xring rubbers, 14ml...

12/12T oversized derailleur pulleys for Shimano 11, Etap and Campagnolo 12 speedAluminum cogs with serviceable high quality sealed bearingsRoads seals12T Shimano/Campy 12s/Sram eTap 11-12s11/12spBlack/Blue

12/14T oversized derailleur pulleys for Shimano M9200 derailleursAluminum cogs with serviceable high quality sealed bearingsRoads sealsShimano M920012spBlack

12/14T oversized derailleur pulleys for Shimano M9200 derailleursAluminum cogs with serviceable high quality sealed bearingsRoads sealsShimano M920012spBlue

12/14T oversized derailleur pulleys for Shimano M9200 derailleursAluminum cogs with serviceable high quality sealed bearingsRoads sealsShimano M920012spRed

12/14T oversized derailleur pulleys for Shimano M9200 derailleursAluminum cogs with serviceable high quality sealed bearingsRoads sealsShimano M920012spTitanium

Pulley for the latest generation of Shimano derailleurs: Dura Ace R9100, Ultegra R8000 and 105 R7000 as well as the long cage of a Sram WifliNarrow wide tooth profile benefits include reduced articulation in the chain while retaining accurate shiftingMay require use of a longer chainShimano OS Full CeramicBlack/Blue

Pulley for the latest generation of Shimano derailleurs: Dura Ace R9100, Ultegra R8000 and 105 R7000 as well as the long cage of a Sram WifliNarrow wide tooth profile benefits include reduced articulation in the chain while retaining accurate shiftingMay require use of a longer chainShimano OS Full CeramicBlack/Blue

Pulley for the latest generation of Shimano derailleurs: Dura Ace R9100, Ultegra R8000 and 105 R7000 as well as the long cage of a Sram WifliNarrow wide tooth profile benefits include reduced articulation in the chain while retaining accurate shiftingMay require use of a longer chainShimano OS Hybrid CeramicBlack/Blue

Built to offer extremely low friction paired with increased stiffness for loss free shiftingLong tooth profile on lower pulley offers best possible chain retentionLower pulley assembly features a chain catcher to prevent jamsCan be used dependably on or off roadFits SS (short) cage and GS (mid) cage right out of the boxOversized 12 and 19 tooth Kogel pulleysCompatible with Shimano onlyR9100/R8000Black

Built to offer extremely low friction paired with increased stiffness for loss free shiftingLong tooth profile on lower pulley offers best possible chain retentionLower pulley assembly features a chain catcher to prevent jamsCan be used dependably on or off roadFits SS (short) cage and GS (mid) cage right out of the boxOversized 12 and 19 tooth Kogel pulleysCompatible with Shimano onlyR9100/R8000Gold

Built to offer extremely low friction paired with increased stiffness for loss free shiftingLong tooth profile on lower pulley offers best possible chain retentionLower pulley assembly features a chain catcher to prevent jamsCan be used dependably on or off roadFits SS (short) cage and GS (mid) cage right out of the boxOversized 12 and 19 tooth Kogel pulleysCompatible with Shimano onlyR9100/R8000Red

Built to offer extremely low friction paired with increased stiffness for loss free shiftingLong tooth profile on lower pulley offers best possible chain retentionLower pulley assembly features a chain catcher to prevent jamsCan be used dependably on or off roadFits SS (short) cage and GS (mid) cage right out of the boxOversized 12 and 19 tooth Kogel pulleysCompatible with Shimano onlyRX800Black

Built to offer extremely low friction paired with increased stiffness for loss free shiftingLong tooth profile on lower pulley offers best possible chain retentionLower pulley assembly features a chain catcher to prevent jamsCan be used dependably on or off roadFits SS (short) cage and GS (mid) cage right out of the boxOversized 12 and 19 tooth Kogel pulleysCompatible with Shimano onlyRX800Gold

Built to offer extremely low friction paired with increased stiffness for loss free shiftingLong tooth profile on lower pulley offers best possible chain retentionLower pulley assembly features a chain catcher to prevent jamsCan be used dependably on or off roadFits SS (short) cage and GS (mid) cage right out of the boxOversized 12 and 19 tooth Kogel pulleysCompatible with Shimano onlyRX800Red

Sram eTap version fits 12 speed Sram Red and Force Etap AXS derailleursAlso compatible with (post Sep. 2020) Red eTap A2 11sp derailleurs with the Hydro Clutch, NOT compatible with the original (pre Sep 2020) 11 speed etap derailleurBesides reduced friction, this cage is built with shifting accuracy, gravel worthiness and chain retention in mindLong tooth profile on lower pulley offers best possible chain retentionLower pulley assembly features a chain catcher to prevent jamsCan be used...

Sram eTap version fits 12 speed Sram Red and Force Etap AXS derailleursAlso compatible with (post Sep. 2020) Red eTap A2 11sp derailleurs with the Hydro Clutch, NOT compatible with the original (pre Sep 2020) 11 speed etap derailleurBesides reduced friction, this cage is built with shifting accuracy, gravel worthiness and chain retention in mindLong tooth profile on lower pulley offers best possible chain retentionLower pulley assembly features a chain catcher to prevent jamsCan be used...

Upgrade for 12-speed Sram Rival eTap AXS derailleursBuilt to offer extremely low friction paired with increased stiffness for loss free shiftingLong tooth profile on lower pulley offers best possible chain retentionLower pulley assembly features a chain catcher to prevent jamsCan be used dependably on or off roadOversized 14 and 19 tooth Kogel pulleysSram Rival eTap AXSBlack

Eagle version fits mechanical and AXS versions of XX1 Eagle, X01 Eagle and GX EagleBuilt to offer extremely low friction paired with increased stiffness for loss free shiftingLong tooth profile on lower pulley offers best possible chain retentionLower pulley assembly features a chain catcher to prevent jamsCan be used dependably on or off roadOversized 14 and 19 tooth Kogel pulleysSram Eagle XX1/X01/GXBlack

Eagle version fits mechanical and AXS versions of XX1 Eagle, X01 Eagle and GX EagleBuilt to offer extremely low friction paired with increased stiffness for loss free shiftingLong tooth profile on lower pulley offers best possible chain retentionLower pulley assembly features a chain catcher to prevent jamsCan be used dependably on or off roadOversized 14 and 19 tooth Kogel pulleysSram Eagle XX1/X01/GXRed

Upgrade for Shimano XTR and XT 12 speed rear derailleursBuilt to offer extremely low friction paired with increased stiffness for loss free shiftingLong tooth profile on lower pulley offers best possible chain retentionLower pulley assembly features a chain catcher to prevent jamsCan be used dependably on or off roadOversized 14 and 18 tooth Kogel pulleysShimano XTR 9100Black

Upgrade for Shimano XTR and XT 12 speed rear derailleursBuilt to offer extremely low friction paired with increased stiffness for loss free shiftingLong tooth profile on lower pulley offers best possible chain retentionLower pulley assembly features a chain catcher to prevent jamsCan be used dependably on or off roadOversized 14 and 18 tooth Kogel pulleysShimano XTR 9100Red

Replacement Bolt Kit for Sram GX Eagle T-Type derailleursIncludes full mount bolt kit and complete B-Knuckle replacementT-Type Full Mount Bolt KitGX Eagle T-Type

Replacement bolt kits for new Sram Full Mount derailleursX0 EagleBlack

Replacement bolt kits for new Sram Full Mount derailleursXX EagleSilver

Replacement bolt kits for new Sram Full Mount derailleursXXSL EagleSilver

Replacement pulley covers and skid plates for applicable Sram T-Type derailleursIncludes upper and lower outer link with bushings and hardwareXXSL Eagle Cover KitBlack

Replacement cover/skid plate for GX Eagle T-Type rear derailleursIncludes cover and mounting hardwarePulley Cover/Skid PlateGreyGX Eagle T-Type

Replacement pulley covers and skid plates for applicable Sram T-Type derailleursIncludes upper and lower outer link with bushings and hardwareX0 Eagle Cover and Skid Plate KitBlack

Replacement pulley covers and skid plates for applicable Sram T-Type derailleursIncludes upper and lower outer link with bushings and hardwareXX Eagle Cover and Skid Plate KitBlack/Silver

Replacement pulleys for Sram Force AXS eTap rear derailluersSet includes top and bottom pulleysForce AXS eTapBlack

Pulley kit for Force XPLR rear derailleursKit includes 12 tooth upper and lower pulleys with steel bearings, 12.5mm and 12.9mm steel pulley screwsForce XPLR

Replacement pulley kits for Sram T-Type DerailleursIncludes 14/16T pulleys and hardwareX0 Eagle

Replacement pulley kits for Sram T-Type DerailleursIncludes 14/16T pulleys and hardwareXX Eagle

Replacement pulley kits for Sram T-Type DerailleursIncludes 14/16T pulleys and hardwareXXSL Eagle

Ceramic pulley kit for Sram Red XPLR rear derailleursKit includes 12 tooth upper and lower ceramic pulleys, 12.5mm and 12.8mm titanium pulley screws and greaseRed XPLR

Replacement 12t pulley kit for Sram Rival eTap AXS derailluersIncludes upper and lower 12t pulleys with steel bearings, 18.5mm and 12.9mm steel pulley screwsBlackRival eTap AXS

Pulley kit for Rival XPLR rear derailleursKit includes 12 tooth upper and lower pulleys with chrome steel bearings, 12.5mm and 12.9mm steel pulley screwsRival XPLR

The AXS battery cover is a light-weight cowling designed to protect the battery while installed on the derailleurFits all AXS mountain bike derailleursAXS MTB

Fit some Brodie, Fezzari, Merida, and NovaraCompatibility:Brodie: Sterling - 2009Fezzari: Nebo Peak - 2012Merida: Crossway 20V - 2013 / Crossway 40 - 2012 / Crossway 40D-N2, 20MD-N2, 20MD - 2011 / Crossway 40D-N2,20MD-N2, 20MD - 2011 / Crossway 40D, 40MD, 40V - 2014 / Juliet 300B,100B - 2014 / Juliet 500,300,100 - 2012 - 2013 / Juliet 7 500,300,100, XT Edition - 2015 / Juliet Scandium/ TFS/ 40D-N2/ 20D-Novara: Fusion - 2009 - 2010S-038 ...

Fits some Novara, Access and KHSCompatibility:Novara: Big Buzz - 2015-2016 / Buzz X - 2015-2016 / Carema 2A - / Carema 3D - / Carema 5d - 2015-2016 / Cortona - 2016 / Cortona Donna - 2016 / Strada 3D - 2016 / Strada 5D - 2015-2016Access: StealthKHS: Sixfifty 500 - 2014S-072

Fits some Bianchi, Diamondback and Redline Compatibility:Bianchi: Alloro - 1999-2000 / Daytona - 1999-2000 / L Lite Alloy - 1999-2000Diamondback: Expert - 2000 / Interval - 2006Masi: Alare - 2013 / Alare - 2009-2011 / Alare Bellissima - 2013 / Caffe Racer Series - 2009-2011 / CX - 2013 / CX Comp - 2013 / CXR - 2013 / CXR - 2009-2011 / CXR Comp - 2013 / Gran Corsa - 2013 / Gran Corsa - 2009-2011 / Gran Corsa Bellisima - 2010 / Inizio - 2013 / Inizion Bellissima - 2013 / NouRedline:...

Fits some CannondaleDistance between mounting holes: 28mmCompatibility:Cannondale: Catalyst - 2016 / Foray - 2016 / Kids Trail 24 - 2013 - 2015 / RUSH 29ER - 2014 - 2015 / Trail 27.5 - 2016 / TRAIL SL - 2013 - 2015S-260

Fits some 2016 GTCompatibility:GT: Helion Alloy QR - 2016 / Sensor Alloy QR - 2016 / Zaskar LE - 2016S-283

Fits some SpecializedCompatibility:Specialized: Camber (SW / Exp / Elite / Comp / 29) – 2016 / Enduro Comp 29` & 650B – 2016 / Enduro Elite 29` & 650B – 2016 / Enduro Exp Evo – 2016 / Epic 29` Alloy – 2016 / Epic 29` Carbon – 2016 / Era 29` (SW & all models) – 2016 / Fatboy Comp Carb – 2016 / Fuse - 2016S-297

Fits some SpecializedCompatibility:Specialized: Chisel Series - 2018-2019 / Epic FSR Series - 2018-2019 / Epic FSR WMN Series - 2018-2019 / S-Works Stumpjumper 27.5 - 2018 / S-Works Stumpjumper 29 - 2018 / S-Works Stumpjumper ST 27.5 - 2018 / S-Works Stumpjumper ST 29 - 2018 / Stumpjumper Comp Alloy 27.5 - 2018 / Stumpjumper Comp AllNote: This includes both sides of the two piece dropoutS-298

Fits some SpecializedNote: This hanger does not replace Specialized Part #S162600002, also known as the Amazinger 2.0 hanger Compatibility:Specialized: CruX Elite EVO Thru Axle - 2016 / CruX Elite X1 Thru Axle - 2016 / CruX Expert EVO Thru Axle - 2016 / CruX Expert X1 Thru Axle - 2016 / CruX Pro Disc Frmset Thru Axle - 2016 / CruX Pro Race Thru Axle - 2016 /CruX SW Disc Frmset Thru Axle - 2016 / CruX SW Thru Axle - 2016 / Diverge CARBOS-302 ...

Fits some NorcoCompatibility:Replaces Norco Part #913015-003Norco: Fluid FS MKIII - 2019 / Optic Carbon - 2018 / Sasquatch FAT - 2016-2017 / Sight Alloy - 2017-2018 / Sight Carbon - 2017-2018 / Torrent Alloy FS - 2017 / Torrent HT - 2016-2017#337Black

Fits some FujiReplaces Fuji part #D034Compatibility:Fuji: Cross - 2017-2018 / Gran Fondo 1.1D - 2016-2019 / Gran Fondo 1.3D - 2016-2019 / Gran Fondo 1.5D - 2019 / Gran Fondo 2.1D - 2016-2018 / Gran Fondo 2.3D - 2016-2018 / Gran Fondo 2.5D - 2016-2017 / Jari - 2017-2018#354

Fits some CubeAttaches to frame with (2) M4x8 Flat Head Screw (fasteners not included)Holes are countersunk without threadsCompatibility:Cube: Agree 05 - 06 / Attempt 05 - 06 / Peloton 05 - 06 / Streamer 05 - 06#402Black

Fits some CO-OPCompatibility:Co-op: DRT 3.1 2019 / DRT 3.2 2019#415Black

Fits some BMCCompatibility:BMX: Teammachine SLR01 Disc (w/ Shimano Direct Mount RD) - 2018-2019 / Teammachine SLR02 Disc (w/ Shimano Direct Mount RD) - 2018-2019 / URS TWO - 2019 / URS THREE - 2019#420Black

Fits some BMC and Note framesNOT for use with SRAM AXS - use #250498Compatibility:BMC: Teammachine SLR01 Disc - 2018-2019 / Teammachine SLR02 Disc - 2018-2019#421BlackNon-AXS