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The oversized pulley wheels system has been proven to be the fastest pulley system in the world, XT M8000/M8050, providing energy savings starting from 2. 4 watts. Almost have the same efficiency ratio with Ceramicspeed.
Kcnc wheel bearings reduce friction, which gives you a lower rolling resistance. Upgrading your wheel bearings to oversized pulley will maximize the return you get from your energy. Narrow wide pulley&durable chain retention-the ospw for shimano features a narrow wide tooth profile to ensure durable chain retention. The system consists of top 14t & bottom 16t alloy pulley wheels fitted with low friction bearings and a lightweight cage made from 7075 Alloy.



1. SHIMANO
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Deore XT Rear Derailleur, Black, 11-Speed
#adSHIMANO #ad - 11-speed range. Rear derailleur that ensures precise, easy gear shifting. Integrated chain stabilizer s accurate shifting in a variety of conditions.More information #ad
Brand | SHIMANO #ad |
Manufacturer | Shimano #ad |
Height | 4 Inches |
Length | 6 Inches |
Weight | 0.88 Pounds |
Width | 6 Inches |
Part Number | 587763 |
Model | 587763 |
Warranty | 90 Day Limited |
More information #ad
2. SHIMANO
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Rear DERAILLEUR,RD-M8000,DEORE XT, 11-Speed, SGS, for 3X11, CAGE, TOP-Normal Shadow Plus Design, Direct Attachment
#adSHIMANO #ad - Material: aluminum. Gearing: medium 1x11, 2x11, 2x11, long 1x11, 3x11. Capacity: medium 39T, long 47T. Compatibility: HG-X 11-speed chain. Cassette range: medium 42t 2x11, long 40t 3x11, 46t 1x11, 42T 2x11, 46T 1x11.More information #ad
Brand | SHIMANO #ad |
Manufacturer | Shimano #ad |
Height | 4 Inches |
Length | 6 Inches |
Weight | 0.88 Pounds |
Width | 6 Inches |
Part Number | RDM8000SGS |
Model | RDM8000SGS |
More information #ad
3. KCNC
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KCNC SXT Mountain E-Bike Bicycle Bike Oversized Pulley Rear Derailleur Cage OSPW for Shimano Deore XTR/XT/SLX M9000/M9050/M8000/M8050/M7000 11 Speed useGold
#adKCNC #ad - The efficiency of ospw-the oversized pully wheelospw system reduces friction in the pulleys by 45 % and for your optimised performance. The overall power savings of the OSPW System reach 30%-60%, or more in some cases, over a stock setup. Compatibility-the ospw system is compatible with shimano xtr m9000/m9050, slx m7000 11s rear derailleur.The oversized pulley wheels system has been proven to be the fastest pulley system in the world, XT M8000/M8050, providing energy savings starting from 2. 4 watts. Almost have the same efficiency ratio with Ceramicspeed.
More information #ad
Specification-top pully :14t with sealed bearing / matiral : al7075 fully cnc/ color:black, red, gold available / for for shimano m9000 / Weight : approx.70grams / m8000 / m8050 / bottom pully :16t with sealed bearing / M9050 / M7000 11s rear derailleur use. Why using oversized pulley wheel cage-upgrade your drivetrain for ultimate efficiency and superior performance. Kcnc wheel bearings reduce friction, which gives you a lower rolling resistance. Upgrading your wheel bearings to oversized pulley will maximize the return you get from your energy. Narrow wide pulley&durable chain retention-the ospw for shimano features a narrow wide tooth profile to ensure durable chain retention. The system consists of top 14t & bottom 16t alloy pulley wheels fitted with low friction bearings and a lightweight cage made from 7075 Alloy.
Brand | KCNC #ad |
Manufacturer | KCNC #ad |
Part Number | SXT |
More information #ad
4. SHIMANO
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Shimano Dura-Ace RD-R9100-SS Rear Derailleur, 11 Speed, Short Cage, Black
#adSHIMANO #ad - Compatibility: Shimano Dura-Ace 9100 Gearing: 2 x 11. Claimed weight: 5. 6oz 158g. Cassette range: 11 - 30t. Capacity: 35t.More information #ad
Brand | SHIMANO #ad |
Manufacturer | Shimano #ad |
Height | 4 Inches |
Length | 6 Inches |
Weight | 0.66 Pounds |
Width | 5 Inches |
Part Number | IRDR9100SS |
Model | Shimano |
More information #ad
5. SHIMANO
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Black, Shimano Deore XT RD-M786 SGS Shadow Plus Rear Derailleur
#adSHIMANO #ad - Low profile Shadow design. 10-speed shadow Plus MTB rear derailleur. Stabilizer switch to reduce chain slap.More information #ad
Brand | SHIMANO #ad |
Manufacturer | Shimano #ad |
Height | 4 Inches |
Length | 6 Inches |
Weight | 0.8 Pounds |
Width | 6 Inches |
Part Number | RD4068 |
Model | 154096 |
More information #ad
6. Bibike
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Bibike 11 Speed Rear Derailleur & Shift Lever for Mountain Bike Compitable with Shimano Sram
#adBibike #ad - Enhanced damping technology to effectively reduce chain jitter. Compatible with shimano xt/ slx & sram xx1/ X01/ XX0/ NX/ GX 11 speed system. Including 11-speed rear derailleur and shift lever, the total weight is about 1 pound.More information #ad
The maximum compatible sprocket for this 11 speed rear derailleur is 52t. 1:1 cable pull ratio technology make a precise and quick shifting performance.Brand | Bibike #ad |
Manufacturer | Bibike #ad |
Weight | 1 Pounds |
Part Number | ltwooAX-1*11 |
More information #ad