BSA 41-5130 Fork Bottom Retaining Nut B44

( Brand: Bsa ), ( Manufacturer Part Number: 41-5130 ), ( Part Type: Fork ), ( Vintage Part: Yes ), ( Country Of Origin: United Kingdom )

Review BSA B44 Fork Bottom Bush Retaining Nut Lot Of fits B25 A50 A65 1966-68

The BSA 41-5130 is a set of five fork bottom retaining nuts specifically designed for BSA motorcycles manufactured between 1966 and 1968. These nuts play a crucial role in securing the fork bottom assembly to the triple tree, ensuring the stability and safety of the front suspension system.

Each nut in this set is made from high-quality steel and features a hexagonal head with a 15mm diameter and a 12-pointed star pattern for easy and secure engagement with the appropriate socket or wrench. The hexagonal shape not only enhances the grip but also provides additional torque transfer, making the installation and removal process more efficient.

The nuts are finished with a black zinc coating. This protective coating not only gives them an attractive appearance but also provides corrosion resistance, which is essential for motorcycle components that are frequently subjected to harsh environmental conditions.

The thread pitch on these nuts is M12 X 1.25. This fine thread pitch ensures a strong mechanical connection between the nuts and the corresponding threads on the fork bottom assembly and the triple tree. This helps maintain the rigidity of the front suspension system, contributing to safe and reliable motorcycle performance.

In summary, the BSA 41-5130 set of five fork bottom retaining nuts is an essential replacement part for motorcycles produced between 1966 and 1968. The high-quality steel construction, hexagonal head design, and black zinc coating offer both functionality and durability. The fine M12 X 1.25 thread pitch ensures a strong and reliable connection between the nuts and the fork bottom assembly and the triple tree, ensuring the safety and optimal performance of the front suspension system.

1. Authenticity: Purchasing an original BSA nut ensures the preservation of the bike's originality. This can be essential for collectors or those restoring vintage motorcycles.

2. Durability: BSA nuts are known for their robustness and longevity. Replacing a worn-out nut with a new one can help prevent future problems and extend the life of the fork.

3. Correct Fit: A correctly fitting nut is essential to maintain the structural integrity of the fork. Using the correct replacement nut ensures that the bike's suspension functions optimally and safely.

1. Cost: Original BSA nuts can be expensive due to their rarity. The cost may deter some buyers, especially those on a tight budget.

2. Availability: Finding an authentic BSA nut in good condition may be challenging. Some buyers may need to search extensively or pay a premium for a hard-to-find nut.

3. Time: The process of finding and purchasing an original nut can be time-consuming. Buyers may need to spend hours searching online marketplaces, forums, and local bike shops to find the correct nut.

The decision to buy a BSA 41-5130 B25 B44 A50 A65 fork bottom retaining nut ultimately depends on the buyer's priorities and circumstances. For collectors, restorers, or those seeking authenticity, the advantages of purchasing an original nut may outweigh the disadvantages. However, for those on a tight budget or in a hurry, a non-original or aftermarket nut may be a more practical and cost-effective solution.

If the buyer values the bike's originality and is willing to invest time and money in finding an authentic nut, then purchasing an original BSA nut is recommended. However, if the buyer is on a tight budget or in a hurry, a high-quality aftermarket nut may be a more practical and cost-effective solution. Always ensure that the aftermarket nut is made by a reputable manufacturer and fits correctly.

Details:

Lot of 2, See photos.

part #: 415130 prices

• $19.51-$29.54

specifications fotubrak:

• for models: B25, A50, A65
• for makes: Bush
• for years: 1966-68
• brand: Bsa
• mpn: 41-5130
• part type: Fork
• vintage part: Yes
• country of origin: United Kingdom

general fotubrak:

• Suspension Handling > k Suspension Parts > k Legs Tubes
• condition: Used

offer fotubrak:

• availability: In Stock
• sold: 0
• started: November 29, 2025
• best offers: True
• options: Ship-to-home
• quantity: 1

seller fotubrak:

• rating: 100.0%
• city: Denver, Colorado
• # reviews: 430

payments fotubrak:

• credit card: Mastercard
• wallet: Paypal
• other

shipping fotubrak:

• transit: 4-9 Days
• carrier: USPS, UPS
• type: Calculated
• service: USPS Ground Advantage, UPS Ground Saver
• class: Standard, Economy
• cost: $0.00

returns fotubrak:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

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