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Wolf Tooth Components 25mm Long B-Screw for Adapting Old deraileurs When
Item #: 4141946

Wolf Tooth Components 25mm Long B-Screw for Adapting Old deraileurs When

Item #: 4141946

BND 17

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What Stands Out

Versatile Compatibility
Designed to adapt older derailleur systems, making it ideal for retrofitting or upgrading bikes with modern components and compatibility issues.
Durable Construction
Made from high-quality materials ensuring longevity and reliability, while handling the demands of varying riding conditions without compromising performance.
Easy Installation
User-friendly design allows for quick and hassle-free installation, enabling riders to make adjustments conveniently without requiring professional assistance.

Product Details

Shop for high quality stainless steel 25mm B-screws at Ubuy Brunei. Compatible with Shimano mountain bike derailleurs. Perfect for Wolf Tooth GC 42 and GC 40 cogs. Buy now!
Item Dimensions4 x 2 x 0.25 inches (10.2 x 5.1 x 0.6 cm)
Thread Size4mm
Item Weight4.54 g
Thread CoverageFully Threaded
Fastener SizeM4 x 25mm
Size Name4mm x 25mm
Item Diameter4 millimeters
Compatible Groove Diameter4 millimeters
Number of Pieces1
BrandWolf Tooth
ColorSilver
Fastener TypeScrew (M4 thread size)
UPC812719020152
Global Trade Identification Number00812719020152
Unit Count1 Count
Item Highlightcog
Number of Packs1
Set NameSingle Screw Set (M4 x 25mm)
Included ComponentsMiscellaneous Rear Derailleur Part
ManufacturerWolf Tooth
ModelBSCREW25
Number Of Items1
Part NumberBSCREW25
Screw Head StylePhillips
Screw Point Stylecylindrical
Head TypePhillips
Thread TypeMetric
Set Screw Thread TypeM4 x 0.7mm
Thread StyleM4
Thread Class2B
Maximum Shear Strength550 MPa
Drive SystemBicycle Derailleur Drive System
Grade RatingPremium
Material TypeMulti
Exterior FinishStainless Steel
Metal TypeStainless Steel
Finish TypesStainless Steel
MaterialMulti
Head StylePhillips
Item dimensions L x W x H4 x 2 x 0.25 inches (10.2 x 5.1 x 0.6 cm)

Who Should Buy?

Suitable For
  • Older Derailleur Users

    Ideal for cyclists with older derailleur models needing adjustments for modern setups and ensuring proper shifting performance.

  • Bicycle Mechanics

    Great for bike mechanics who often work on vintage bikes, providing more flexibility in compatibility with various components.

  • Customization Enthusiasts

    Perfect for cyclists looking to customize their bike's shifting system, offering adaptability for different setups and efficiencies.

Not Suitable For
  • Modern Derailleur Users

    Not suitable for users with modern derailleur systems that do not require the adjustment facilitated by this longer screw.

Product Description

Wolf Tooth Components 25mm Long B-Screw for Adapting Old deraileurs When

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Customer Questions & Answers

  • Question: How to Shop Wolf Tooth Components 25mm Long B-Screw for Adapting Online From Ubuy?

    Answer: It’s easy to shop Wolf Tooth Components 25mm Long B-Screw for Adapting online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
  • Question: Is Wolf Tooth Components 25mm Long B-Screw for Adapting Available to Shop Online in Brunei?

    Answer: Yes, at Ubuy Brunei this product is available for you to shop at a reasonable price. The Wolf Tooth Components 25mm Long B-Screw for Adapting is not available locally but you can trust us with our express shipping services.
  • Question: How Long Does It Take to Get Product After Placing the Order?

    Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Wolf Tooth Front Derailleurs Editorial Review

Wolf Tooth Components 25mm Long B-Screw for Adapting Old derailleurs offers a reliable solution for enhancing compatibility with larger cassettes, proving to be a crucial upgrade for enthusiasts seeking to maximize their gear options. Users report successfully modifying their GRX and SLX derailleurs to accommodate larger sprockets, underscoring its effectiveness and solid design. With a fully threaded M4 screw and durable stainless steel construction, it is designed for use in various derailleur systems. However, some users desire a color match with their original components, and there are mentions of alternative options available at local hardware stores, highlighting both versatility and mixed perceptions on value.

Customer Reviews & Ratings

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Pros

  • Compatible with larger cassette sizes
  • Durable stainless steel construction
  • Easy installation on various derailleurs
  • Fully threaded for secure fit
  • Phillips head design for better grip

Cons

  • Color may not match original components

Platform Trust & Buyer Confidence

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Mona
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“Everything was efficient and fast. ”

05 November 2026 · via Trustpilot
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Music
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“The prices—including shipping costs and customs duties—are clear from the very beginning, with no hidden fees. I highly recommend using their services. My experience with the "Ubuy" website was excellent. I purchased a PRS USA Swamp Ash Special guitar, and it arrived in just 11 days. The shipping service was fantastic, and the product arrived in perfect condition. What I particularly appreciated about the site is that the prices—including shipping costs and customs duties—are clear from the very beginning, with no hidden fees. I highly recommend using their services.”

05 November 2026 · via Trustpilot
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William
Verified buyer

“I can't fault this purchase. Had a scarce part i needed, cheaper than i could source it in the UK, ordered and was followed up with great communication and speedy delivery of a very well packaged part.”

06 November 2026 · via Trustpilot
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Andrew
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“Fast delivery, good and secure packaging, everything was fine and with no problems.”

06 November, 2026 · via Trustpilot
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Stephen
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“I am very happy with my insoles purchase, they make my work boots very comfortable and soft to walk on and even mitigate the vibration from driving the truck all day. I would highly recommend this company for online purchases, reliability of product delivery and value for money.”

07 November 2026 · via Trustpilot

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