Shimano Ultegra RD-6800 Pulley Set

Shimano Ultegra RD-6800 Pulley Set

$30.00 NZD
Skip to product information
Shimano Ultegra RD-6800 Pulley Set
  • Shimano Ultegra RD-6800 Pulley Set
  • Shimano Ultegra RD-6800 Pulley Set
Shimano Ultegra RD-6800 Pulley Set

Shimano Ultegra RD-6800 Pulley Set

$30.00 NZD
Taxes included. Shipping calculated at checkout.

The Shimano Ultegra RD-6800 Pulley Set is a genuine Shimano replacement guide and tension pulley kit designed to restore smooth, quiet and precise 11-speed shifting on compatible Ultegra mechanical and Di2 rear derailleurs, making it an excellent-value drivetrain service part for Brisbane road riders and Australian cyclists maintaining a premium 11-speed road bike.

Key Shimano Ultegra RD-6800 Pulley Set Features

  • Genuine Shimano replacement pulley set for Ultegra RD-6800 and RD-6870 rear derailleurs
  • Includes the guide pulley and tension pulley to restore accurate chain tracking
  • Designed for Shimano 11-speed road drivetrain performance
  • Helps reduce drivetrain noise, pulley wear issues and inconsistent shifting
  • Smart service part for Ultegra road bikes, indoor trainer bikes and high-mileage riders

(more product details...)

SKU: Y5YC98140
Barcode: 689228847736
loading inventory data..

Earn 0 points on this purchase.

Learn more
Key Features & Technical Specifications

Product Name: Shimano Ultegra RD-6800 Pulley Set

Product Type: Rear derailleur guide and tension pulley replacement set

Brand: Shimano

Series Compatibility: Shimano Ultegra 6800 / 6870 11-speed road

Compatible Rear Derailleur Models:

  • Shimano Ultegra RD-6800 mechanical rear derailleur
  • Shimano Ultegra Di2 RD-6870 rear derailleur

Shimano Part Number / MPN: Y5YC98140

Product Function: Replacement guide pulley and tension pulley kit

Speed Compatibility: Shimano 11-speed road drivetrains

Common Pulley Tooth Count: Typically 11T pulley wheels for Shimano 11-speed Ultegra rear derailleurs

Colour: Black pulley wheels with hardware

Recommended Use: Road cycling, endurance road, commuting, indoor trainer bikes, high-mileage training and drivetrain servicing

Best Bike Type: Road bikes using Shimano Ultegra 6800 or Ultegra Di2 6870 11-speed rear derailleurs

Main Upgrade Purpose: Restore rear shifting precision, reduce drivetrain noise, refresh worn jockey wheels and maintain original Shimano shift quality

Compatibility Notes:

  • This is not a universal Shimano pulley set.
  • It is designed for Shimano Ultegra RD-6800 and RD-6870 rear derailleurs.
  • It is not intended for Shimano 105, Dura-Ace, GRX, Tiagra, SRAM, Campagnolo or Shimano 12-speed rear derailleurs unless Shimano specifically lists compatibility.
  • If shifting is still poor after replacing pulleys, check chain wear, cassette wear, derailleur hanger alignment, cable friction, Di2 setup and derailleur adjustment.
  • Professional installation is recommended if drivetrain noise or shifting problems are ongoing.
Notable Tech, Materials & Construction

Genuine Shimano Replacement Design

This pulley set is made to match the original Shimano Ultegra RD-6800 and RD-6870 derailleur cage design. Correct pulley shape, spacing and orientation help preserve the shifting feel Shimano intended for its 11-speed Ultegra road drivetrains.

Guide and Tension Pulley System

The upper guide pulley directs the chain across the cassette during shifts, while the lower tension pulley helps maintain chain wrap and drivetrain tension. When either pulley becomes worn, shifting can feel noisy, vague or inconsistent.

Precision Tooth Profile

Shimano pulley wheels are designed with a tooth profile that supports clean chain engagement and smooth chain movement. This is especially important on 11-speed road drivetrains, where cassette spacing is narrow and shifting accuracy matters.

Low-Maintenance Service Part

Rear derailleur pulleys are exposed to grit, sweat, road spray, chain lube residue and drivetrain contamination. Replacing worn pulleys is a practical way to refresh an older drivetrain without replacing the full rear derailleur.

Drivetrain Efficiency Refresh

Fresh pulleys can reduce rattling, improve chain tracking and make an older Ultegra drivetrain feel smoother. For best results, install them as part of a complete drivetrain service with a clean chain and properly adjusted rear derailleur.

Reliable Road Bike Servicing

This pulley set is ideal for riders who want to keep a quality Shimano 11-speed road bike running well rather than replacing major drivetrain components unnecessarily.
Size, Fit, Geometry & Measurements

Fitment Details

  • Product Type: Rear derailleur pulley set
  • Pulley Positions: Guide pulley and tension pulley
  • Compatible Derailleurs: Shimano Ultegra RD-6800 and RD-6870
  • Drivetrain Speed: Shimano 11-speed
  • Typical Pulley Size: 11T
  • Fit Type: Model-specific Shimano replacement part
  • Shimano MPN: Y5YC98140

Fit Checklist Before Purchase

Before ordering, confirm:

  • Your rear derailleur model is Shimano RD-6800 or RD-6870.
  • Your drivetrain is Shimano 11-speed road.
  • Your current pulleys are worn, noisy, gritty, loose or visibly hooked.
  • Your derailleur cage is not bent.
  • Your derailleur hanger is straight.
  • Your chain and cassette are not excessively worn.
  • Your shifting issue is not caused by cable friction or Di2 setup.

Installation Notes

  • Note the original guide and tension pulley orientation before removal.
  • Do not mix up upper and lower pulleys if they are marked differently.
  • Clean the derailleur cage while the pulleys are removed.
  • Install with correct pulley bolts and washers.
  • Tighten to Shimano-recommended torque.
  • Check that both pulleys spin freely before riding.
  • Re-index gears after installation if required.
Who it is best suited for and where it is best suited

The Shimano Ultegra RD-6800 Pulley Set is best suited to riders maintaining an 11-speed Ultegra road drivetrain who want smoother shifting, quieter running and better drivetrain reliability.

Best Suited For

  • Shimano Ultegra RD-6800 mechanical road bike riders
  • Shimano Ultegra RD-6870 Di2 riders
  • Cyclists replacing worn jockey wheels
Industry Feedback, Rider Reviews and our own opinion

It replaces earlier RD-6800 pulley service part versions. The key professional and workshop consensus is simple: genuine Shimano pulleys are the best option when the goal is original shift feel, correct fit and dependable service life.

Rider Feedback & Community Sentiment

Rider feedback around Shimano Ultegra replacement pulleys is generally positive when the correct model is selected.

Common positive rider comments include:

  • Restores smoother rear shifting
  • Reduces drivetrain noise from worn jockey wheels
  • Genuine Shimano fit is more reliable than generic pulley wheels
  • Good value compared with replacing the complete derailleur
  • Helps older Ultegra 11-speed bikes feel fresh again
  • Works well during chain and cassette service
  • Easy upgrade for high-mileage road bikes
  • Best results come with a clean and correctly adjusted drivetrain

Some riders note that pulley replacement will not fix every shifting issue. A bent hanger, worn chain, worn cassette, dirty cables or poor Di2 adjustment can still cause rough shifting.
Product Care & Warranty Info

Product Care

  • Keep the chain clean and correctly lubricated.
  • Wipe grit from the derailleur cage and pulleys after wet or dirty rides.
  • Avoid pressure washing directly at the rear derailleur pulleys.
  • Check pulley rotation during regular drivetrain servicing.
  • Replace pulleys if teeth become hooked, sharp, noisy or loose.
  • Replace the chain before it becomes excessively worn.
  • Inspect the cassette and chainrings when pulley wear is noticed.
  • Check derailleur hanger alignment after crashes or transport damage.
  • Use correct tools and torque when replacing pulleys.
  • Have shifting professionally checked if noise or poor shifting continues.

Warranty Information

  • Warranty coverage is subject to Shimano or retailer terms and conditions.
  • Warranty generally applies to manufacturing defects in materials or workmanship.
  • Normal pulley wear, contamination, incorrect installation, crash damage, stripped bolts, drivetrain incompatibility and poor maintenance are generally not covered.
  • Pulley life depends on chain cleanliness, lubrication, riding conditions, weather, drivetrain wear and service frequency.
  • Professional installation is recommended for correct pulley orientation, bolt torque and drivetrain adjustment.
Stock Reference
Product SKU
  • Default Title: Y5YC98140
Barcode (GTIN/EAN)
  • Default Title: 689228847736

Shimano

Related Articles

View All Posts