microSHIFT RD-R51M-BK

microSHIFT R10 Rear Derailleur User Manual

Model: RD-R51M-BK

1. Производ је готовview

The microSHIFT R10 Rear Derailleur is engineered for 10-speed road bicycle systems, offering reliable and precise shifting performance. Its construction features forged and CNC machined aluminum, ensuring both durability and a lightweight design. The steel cage enhances resistance to chain-rub wear, contributing to the derailleur's longevity.

This medium cage derailleur is designed to accommodate a maximum cog size of 34 teeth and provides a total chain wrap capacity of 39 teeth, making it suitable for a wide range of road cycling applications. It is compatible with Shimano 10-speed road systems, excluding the Tiagra 4700 series.

microSHIFT R10 Rear Derailleur

Figure 1: The microSHIFT R10 Rear Derailleur, showcasing its black finish, aluminum body, and steel cage with jockey wheels.

Кључне карактеристике:

  • Medium cage design with 39t chain wrap capacity.
  • Supports a maximum cog size of 34 teeth.
  • Constructed from forged and CNC machined aluminum for lightweight durability.
  • Steel cage for enhanced resistance to chain-rub.
  • Compatible with Shimano 10-speed road systems (excluding Tiagra 4700).

2. Подешавање и инсталација

Proper installation is crucial for optimal performance and safety. If you are unsure about any step, it is recommended to seek assistance from a qualified bicycle mechanic.

2.1 Потребан алат:

  • Hex key set (typically 5mm for mounting bolt)
  • Резачи каблова
  • Cable crimps
  • Torque wrench (recommended for precise tightening)

2.2 Кораци инсталације:

  1. Монтажа мењача: Thread the derailleur onto the derailleur hanger on your bicycle frame. Ensure it is properly aligned and tighten the mounting bolt to the manufacturer's recommended torque specifications (typically 8-10 Nm).
  2. Инсталација ланца: Install your 10-speed bicycle chain, ensuring it is the correct length for your drivetrain setup.
  3. Провођење каблова: Route the shifter cable from your shifter through the frame (if internal) and attach it to the cable fixing bolt on the derailleur. Pull the cable taut and secure it.
  4. Подешавање граничног завртња:
    • High Limit (H) Screw: Adjust the H-screw so that the upper guide pulley aligns with the smallest cog when the chain is on it. This prevents the chain from shifting off the outside of the cassette.
    • Low Limit (L) Screw: Adjust the L-screw so that the upper guide pulley aligns with the largest cog when the chain is on it. This prevents the chain from shifting into the spokes.
  5. Б-подешавање затегнутости: With the chain on the largest cog and smallest chainring, adjust the B-tension screw to set the gap between the upper guide pulley and the largest cog. A gap of 5-6mm is generally recommended, but consult your bicycle's specific requirements.
  6. Indexing Adjustment: Fine-tune the shifting by adjusting the barrel adjuster on the shifter or derailleur. Shift through all gears, ensuring smooth and precise transitions.

3. Упутство за употребу

The microSHIFT R10 Rear Derailleur operates in conjunction with your 10-speed road shifter to move the chain across the rear cassette cogs, allowing you to select different gear ratios.

3.1 Shifting Gears:

  • To shift to a larger cog (easier gear), actuate your shifter to release cable tension.
  • To shift to a smaller cog (harder gear), actuate your shifter to pull cable tension.
  • Always pedal forward while shifting to ensure smooth chain movement and prevent damage to the drivetrain components.
  • Avoid shifting under heavy load, such as climbing a steep hill, as this can cause stress on the chain and derailleur.

4. Одржавање

Regular maintenance will extend the life of your microSHIFT R10 Rear Derailleur and ensure consistent performance.

4.1 Чишћење:

  • After each ride, especially in wet or dirty conditions, wipe down the derailleur body and jockey wheels with a clean rag.
  • Use a degreaser specifically designed for bicycles to remove stubborn grime from the jockey wheels and cage. Rinse thoroughly with water and dry.

4.2 Подмазивање:

  • Apply a small amount of bicycle-specific lubricant to the pivot points of the derailleur body and the jockey wheel bearings periodically.
  • Avoid over-lubrication, as this can attract dirt. Wipe off any excess lubricant.

4.3 Инспекција:

  • Regularly check the derailleur hanger for alignment. A bent hanger is a common cause of poor shifting.
  • Inspect the jockey wheels for wear. Worn teeth can lead to poor shifting and chain noise. Replace them if necessary.
  • Check all bolts for tightness, including the mounting bolt and cable fixing bolt.

КСНУМКС. Решавање проблема

This section addresses common issues you might encounter with your rear derailleur.

ПроблемМогући узрокРешење
Poor or Slow Shifting
  • Incorrect cable tension
  • Савијени држач мењача
  • Worn cable or housing
  • Dirty or stiff derailleur pivots
  • Adjust barrel adjuster
  • Check and straighten/replace hanger
  • Replace cable and housing
  • Clean and lubricate derailleur
Chain Rubbing/Noise
  • Incorrect limit screw adjustment
  • Савијени држач мењача
  • Worn jockey wheels
  • Re-adjust H/L limit screws
  • Check and straighten/replace hanger
  • Replace jockey wheels
Chain Drops Off Cassette
  • Incorrect H or L limit screw adjustment
  • Савијени држач мењача
  • Re-adjust H/L limit screws
  • Check and straighten/replace hanger

If these solutions do not resolve the issue, it is advisable to consult a professional bicycle mechanic.

6. Спецификације

СпецификацијаВалуе
БрандмицроСХИФТ
Број моделаRD-R51M-BK
Брзине погонског склопа10-Спеед
Cage LengthСредње
Chain Wrap Capacity39 зуба
Largest Cog (Max)34 зуба
Rear Der/Shifter CompatibilityRoad (Shimano 10-speed, not Tiagra 4700)
Моунт Типе10x1 Standard (Direct Mount)
МатеријалForged and CNC machined Aluminum (body), Steel (cage)
БојаЦрно
Тежина артикла16 унци (приближно 454 г)
Димензије пакета7 к 5 к 2 инча

7. Гаранција и подршка

For specific warranty information regarding your microSHIFT R10 Rear Derailleur, please refer to the warranty documentation provided with your purchase or visit the official microSHIFT webсајт. Услови гаранције могу се разликовати у зависности од региона и продавца.

If you require technical assistance, have questions about installation, or need to report a defect, please contact the retailer from whom you purchased the product or microSHIFT customer support directly. When contacting support, please have your product model number (RD-R51M-BK) and proof of purchase readily available.

For additional resources and product information, you may visit the microSHIFT official website or consult reputable bicycle repair guides.

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