Bike Hex Crank Arm Bolts Spindle 8mm Allen Key Bolt Screws Capless Bottom Bracket for Cycling Bicycle Axle

No separate crank cap is necessary with our innovative plastic seal.

Item #: 35594801

Bike Hex Crank Arm Bolts Spindle 8mm Allen Key Bolt Screws Capless Bottom Bracket for Cycling Bicycle Axle

Item #: 35594801

€ 4

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Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from US}

Availability : In stock

Imported from USA store

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Order now and get it around Wednesday, June 24

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No separate crank cap is necessary with our innovative plastic seal.

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What Stands Out

Durable Material

Constructed from high-quality materials, these crank arm bolts resist wear and corrosion, ensuring longevity and reliability in harsh cycling conditions.

Easy Installation

Designed for effortless installation with an 8mm Allen key, making maintenance quick and hassle-free for both amateur and professional cyclists.

Universal Fit

Compatible with a wide range of bicycle models, these capless bottom bracket screws enhance versatility and cater to various cycling needs.

Product Details

Crank bolts. They fit square tapered bottom brackets as well as standard bb's.
The plastic seal (included) means that no seperate crank cap is necessary.

Thread Size	M8
Screw Head Style	Hex, Square
Color	10 Pcs
Fastener Type	Hexagon Bolt
Thread Style	Right Hand
Material Type	Metal
Size Name	3.31 x 2.09 x 1.3" (8.4 x 5.3 x 3.3 cm)
Item Weight	0.5 Ounces (14.18 grams)
Brand	Generic
UPC	705883968606
Manufacturer	Generic
Model	Hex Crank Arm Bolts
Part Number	Hex Crank Arm Bolts
Item Type Name	Bike Hex Crank Arm Bolts Spindle 8mm Allen Key Bolt Screws Capless Bottom Bracket for Cycling Bicycle Axle (10 Pcs)
Material	Metal
Head Style	Hex, Square
Country of Origin	This item will be imported from US
What is in the box	Bike Hex Crank Arm... For more details, please check description/product details

Who Should Buy?

Casual Cyclists
Ideal for everyday riders needing reliable crank arm bolts for standard bicycle maintenance and occasional repairs.
DIY Enthusiasts
Great for home mechanics who enjoy working on their bikes and require quality bolts for modifications.
Replacement Projects
Useful for cyclists replacing worn-out or damaged bolts, ensuring safe and functional bike performance.

Professional Racers
Not ideal for competitive cyclists who may require specialized and lightweight components for high-performance racing.
Heavy-Duty Bikes
Unsuitable for heavy-duty bicycles or mountain bikes that may demand stronger, reinforced bolt options.
Non-Bike Use
Not appropriate for non-cycling applications, as these bolts are specifically designed for bicycle components.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

Question: What are bike hex crank arm bolts used for?

Answer: Bike hex crank arm bolts are crucial components that secure the crank arms to the bicycle's bottom bracket spindle. These bolts are designed to maintain the integrity of your bike's drivetrain by ensuring that the crank arms stay firmly in place during pedaling. A secure connection allows for efficient energy transfer from the rider to the bicycle, leading to a smoother riding experience. For instance, if you're replacing or repairing your crankset, using high-quality hex bolts is essential to avoid any mechanical failures while riding.
Question: What size Allen key is needed for these bolts?

Answer: These bike hex crank arm bolts require an 8mm Allen key for installation and removal. Using the correct size key is vital to ensure a snug fit without stripping the hex heads. Properly fitting tools will minimize wear on both the bolt and the tool, allowing for multiple installations and adjustments. Whether you're tuning your bike at home or performing roadside repairs, having an 8mm Allen key in your toolkit will make your adjustments smooth and efficient.
Question: Are these bolts compatible with all bike brands?

Answer: While bike hex crank arm bolts are widely designed to fit various bicycles, compatibility can depend on the specific model and brand of the crankset and bottom bracket being used. It’s important to check the specifications of your bike to ensure that these bolts will work with your existing components. In most cases, they fit standard crank arms, but for unique or specialized bikes, consulting the manufacturer’s specifications or documentation is recommended to ensure proper fitment.
Question: What material are these bolts made from?

Answer: Typically, bike hex crank arm bolts are made from high-strength steel or aluminum to resist corrosion and provide durability. Steel bolts are known for their strength and resistance to snapping, making them ideal for high-torque applications. Alternatively, aluminum bolts, while lighter, may not offer the same level of durability but are often used in weight-sensitive setups. Understanding the material properties can help you choose the right bolts based on your riding style and intended use, whether for casual riding, racing, or mountain biking.
Question: Can I use these bolts on mountain bikes?

Answer: Yes, these hex crank arm bolts are compatible with mountain bikes, provided they adhere to standard sizing requirements. Mountain bikes often experience higher stress and impacts, so using sturdy bolts is critical to maintain performance. Ensuring your bike's crank arms are securely fastened with high-quality bolts can prevent issues during intense rides or rough terrains. When assembling or tuning your mountain bike, prioritize reliable components like these bolts to enhance stability and confidence while riding.
Question: How do I install bike crank arm bolts?

Answer: To install bike crank arm bolts, first, align the crank arm with the spindle and insert the bolt through the designated hole. Use the 8mm Allen key to tighten the bolt until it's secure, ensuring not to over-tighten as this can strip the threads. A proper installation will prevent the crank from loosening during use. It's advisable to periodically check the tightness of the bolts, particularly after long rides, to maintain optimal performance and safety.
Question: What is a capless bottom bracket?

Answer: A capless bottom bracket refers to a type of bottom bracket design that does not utilize a traditional cap or cover over the bearings. This design simplifies maintenance and allows for easier access to the bearings for servicing, which can be beneficial for cyclists who frequently ride in varying conditions. Additionally, a capless system can reduce weight, making it popular among performance-oriented cyclists. Understanding the benefits of this design can help you make informed choices regarding your bicycle’s components and maintenance practices.
Question: How can I tell if my crank arm bolts need replacing?

Answer: Signs that your crank arm bolts may need replacing include visible wear, rust, or damage to the hex head. Additionally, if you experience any creaking noises during pedaling, it might indicate that they are loose or worn out. Regular inspection is essential for preventing any riding issues and ensuring component integrity. If these symptoms arise, it’s wise to replace the bolts promptly with high-quality replacements to avoid complications while riding.
Question: Will using these bolts improve my bike's performance?

Answer: Using high-quality bike hex crank arm bolts can enhance your bike's performance by ensuring that the crankset stays secure during rides. Secure crank arms lead to more efficient energy transfer and improved pedaling efficiency. This can be especially important during competitive cycling or rigorous training sessions when every bit of power matters. Investing in reliable bolts is a simple, yet effective way to optimize your overall cycling experience for better performance on the road or trail.
Question: Where can I buy Bike Hex Crank Arm Bolts Spindle 8mm Allen Key Bolt Screws Capless Bottom Bracket for Cycling Bicycle Axle?

Answer: You can purchase Bike Hex Crank Arm Bolts Spindle 8mm Allen Key Bolt Screws Capless Bottom Bracket for Cycling Bicycle Axle on Ubuy in Monaco. Ubuy offers a variety of cycling components, ensuring you find the right fit for your bike. Its user-friendly platform allows you to easily browse options and make informed purchases, helping you maintain and enhance your cycling experience efficiently.

Cranksets Editorial Review

The Bike Hex Crank Arm Bolts offer a simple and reliable solution for securing bicycle crank arms. These capless bottom bracket bolts are designed to fit square taper cranks and provide a secure attachment to the spindle. The bolts are easy to install using a 5mm allen wrench, which is the standard size for chainring bolts. Customers have reported a positive experience with these crank arm bolts, stating that they fit the spindle perfectly and effectively keep the crank arms attached. One customer mentioned that they used these bolts with loctite to secure a stripped-out bottom bracket, and it worked well. Another customer appreciated that these bolts eliminated the need to Constantly retighten the crank bolts after normal use. However, it's important to note that these crank arm bolts may not be suitable for certain applications. A customer reported that they did not work for their BMX cranks. Additionally, one customer received a package with only one bolt and a ripped open bag, which was disappointing. Overall, the Bike Hex Crank Arm Bolts are a reliable choice for securing crank arms in most standard bicycles. However, customers should ensure that they have the correct type of crank arms and use the appropriate torque when installing these bolts.

Customer Reviews & Ratings

4.6

270 customers ratings

5 Star

80%
4 Star

11%
3 Star

4%
2 Star

0%
1 Star

5%

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Pros

Easy to install with a 5mm allen wrench
Effective in keeping crank arms secured
Eliminates the need for Constant retightening

Cons

Not suitable for BMX cranks

Product Price History

Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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€ 4