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🔧 Small Screw, Massive Shift: Upgrade Your Ride’s Precision!
The Wolf Tooth Components 25mm B-Screw is a premium stainless steel replacement screw designed to optimize Shimano mountain bike derailleurs when using Wolf Tooth’s GC 40 or GC 42 large cogs. Engineered for precise derailleur alignment, it enhances shifting performance and chain management, making it an essential upgrade for serious cyclists seeking flawless drivetrain efficiency.
| ASIN | B00LMY7BA0 |
| Best Sellers Rank | 70,358 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 210 in Screws (Sports & Outdoors) 228 in Bike Derailleurs & Parts |
| Brand Name | Wolf Tooth |
| Colour | Silver |
| Compatible Groove Diameter | 4 Millimeters |
| Customer Reviews | 4.5 out of 5 stars 236 Reviews |
| Drive System | Bicycle Derailleur Drive System |
| Exterior Finish | Stainless Steel |
| 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 |
| Head style | Phillips |
| Included Components | Miscellaneous Rear Derailleur Part |
| Item Diameter | 4 Millimetres |
| Item Dimensions | 10.2 x 5.1 x 0.6 centimetres |
| Item Weight | 5 g |
| Item dimensions L x W x H | 10.2 x 5.1 x 0.6 centimetres |
| Manufacturer Part Number | BSCREW25 |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Maximum Shear Strength | 550 MPa |
| Metal | Stainless Steel |
| Model Number | BSCREW25 |
| Number Of Items | 1 |
| Number of Pieces | 1 |
| Point style | cylindrical |
| 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 |
| Thread size | 4mm |
| UPC | 812719020152 |
| Unit Count | 1.0 count |
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