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🔧 Upgrade your ride with precision – because every millimeter counts!
The Wolf Tooth Components 25mm B-Screw is a premium stainless steel replacement screw designed to adapt Shimano mountain bike derailleurs for use with larger Wolf Tooth GC 42 and GC 40 cogs. Engineered for durability and precise fit, this M4 x 25mm screw ensures optimal derailleur adjustment, enhancing shifting performance and drivetrain reliability.
| ASIN | B00LMY7BA0 |
| Best Sellers Rank | 305,614 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 981 in Screws (Sports & Outdoors) 1,144 in Bike Derailleurs & Parts |
| Brand Name | Wolf Tooth |
| Colour | Silver |
| Compatible Groove Diameter | 4 Millimeters |
| Customer Reviews | 4.4 4.4 out of 5 stars (238) |
| Drive System | Bicycle Derailleur Drive System |
| Exterior Finish | Stainless Steel |
| Fastener Size | M4 x 25mm |
| Fastener Type | Screw (M4 thread size) |
| Finish Types | Uncoated |
| Global Trade Identification Number | 00812719020152 |
| Grade Rating | Premium |
| Head Type | Phillips |
| Included Components | Miscellaneous Rear Derailleur Part |
| Item Diameter | 4 Millimetres |
| Item Dimensions | 10.2 x 5.1 x 0.6 centimetres |
| Item Weight | 0.01 Pounds |
| Manufacturer Part Number | BSCREW25 |
| Material Type | Stainless Steel |
| Maximum Shear Strength | 550 MPa |
| Metal | Stainless Steel |
| Model Number | BSCREW25 |
| Number Of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Screw Head Style | Phillips |
| Screw Point Style | cylindrical |
| Set Name | Single Screw Set (M4 x 25mm) |
| Set Screw Thread Type | M4 x 0.7mm |
| Size | M4 x 25mm |
| Thread Class | standard |
| Thread Coverage | Fully Threaded |
| Thread Size | 4mm |
| Thread Style | M4 |
| Thread Type | Metric |
| UPC | 812719020152 |
| Unit Count | 1.0 count |
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