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Load image into Gallery viewer, Park Tool DSD-4 Derailleur Flat Screwdriver Shop Quality Precision Bicycle Tool

SKU: TL5323

Park Tool DSD-4 Professional JIS Flat Screwdriver - Precision CNC Chrome Vanadium Blade, Ergonomic Dual-Density Handle, Shop-Quality Bicycle Derailleur Tool for Accurate, Durable Maintenance

Regular price $37.95
$37.95 Sale price $37.95 Regular price
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This is a pre order item. We will ship it when it comes in stock.

$10 Gift Card

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$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

Description
Specifications

Enhance your bicycle maintenance toolkit with the Park Tool DSD-4 Derailleur Flat Screwdriver, a shop-quality precision tool designed for professional bike mechanics, shops, and serious cycling enthusiasts. Crafted with durability and exactness in mind, this screwdriver is essential for precise derailleur adjustments and repairs, ensuring your bike's shifting performance remains smooth and reliable.

Materials & Engineering:

Constructed with CNC heat-treated, chrome vanadium steel tips and shafts, the DSD-4 offers superior strength, wear resistance, and longevity. The high-quality steel ensures optimal torque transfer and minimizes wear over countless uses, making it a reliable addition to any bicycle repair station.

Performance & Components:

Featuring a 5mm precision ground flat blade, this screwdriver is specifically designed to meet the stringent JIS (Japanese Industrial Standard) specifications, vital for aligning and adjusting derailleur screws without damaging delicate components. Its precision tip provides an exact fit, reducing stripping and slipping during use, enhancing repair accuracy.

Style & Use Case:

The ergonomic, dual-density handle offers excellent comfort and grip during extended use, reducing hand fatigue for professional mechanics and dedicated cyclists alike. Its shop-grade design makes it ideal for derailleur adjustments, cable tensioning, and other precise bicycle maintenance tasks.

Innovative & Differentiating Features:

- Precision 5mm flat blade engineered for derailleur alignment and adjustment

- Ergonomic, dual-density handle for enhanced comfort and control

- Chrome vanadium steel tips and shafts for exceptional durability and performance

- Meets JIS standards for compatibility with Japanese and high-end bicycle components

Elevate your bicycle repair capabilities with the Park Tool DSD-4 Derailleur Flat Screwdriver - the trusted choice for professional bike shops and serious cyclists seeking precision, durability, and reliability in every turn. Optimize your bike maintenance and ensure flawless shifting performance with this shop-quality, precision-engineered tool.

  • Precision 5mm flat blade screwdriver engineered specifically for derailleur adjustments and shop-quality repairs.
  • Constructed with CNC heat-treated chrome vanadium steel tips and shafts, ensuring exceptional durability and long-lasting performance under demanding workshop conditions.
  • Ergonomic, dual-density handle provides maximum comfort and a secure grip during delicate derailleur fine-tuning, reducing hand fatigue for professional-grade precision.
  • Designed to meet stringent JIS standards, this screwdriver guarantees compatibility with Japanese industrial standards, making it ideal for high-precision bicycle maintenance.
  • A versatile tool suitable for bike shops, professional mechanics, and avid cyclists seeking reliable, high-performance components for precise derailleur and component adjustments.
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We pride ourselves on our ability to ship and deliver your gear with excessive speed! We ship from 22 locations throughout the United States and most orders will arrive in 3 days or less with Free Shipping on orders over $75!

The nitty gritty, for specific delivery timelines please pay attention to the delivery timelines on the product pages and the time frame estimated in the carts. If you need a part by a specific day, please contact us by chat, phone, or

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Most orders placed during the workweek before 1:00 PM Eastern time ship the same day, but during peak/holiday season or depending on inventory location handling time can take up to 48 hours. If you have questions regarding shipping estimates, don't hesitate to get in touch with us before placing the order. There is a direct signature requirement for all orders over $500.

We provide the you the ability to utilize multiple shipping & billing addresses, based upon what fits your current needs. However you are responsible to maintain and update any new address changes, as 365 Cycles will not be held liable for orders being shipped to an incorrect address.

  • Our Mistake: If we messed it up you can rest assured we are going to make it right. Contact us by email, phone, or chat and we will make your head spin with how quick we fix it
  • Warranty: We are an authorized retailer for everything we sell, so rest assured your product is covered under the manufacturer's warranty. Contact Us if you are having an issue and we will make sure you are taken care of
  • Just don't want it anymore: We have a 30-day return policy for orders within the US. We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. If it's returned in this condition it may be denied and sent back to you

If you need to return your order please email us at info@365cycles.com, call us at 603-968-5797, or use the live chat on our site.

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*Please allow up to 3 business days for us to process your return*

365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

Living an active lifestyle is just that, a lifestyle that never goes away and our goal is to always exceed your expectations so we can take this lifelong journey together. We strive to have the parts you need, at competitive prices with unmatched shipping speeds!

If there is ever an issue with an order we will work at warp speed to fix our mistake and make sure you never go a day without a bicycle! If you are not receiving the quality of service you need from one of our exceptionally qualified bicycle experts, tell them Ben Berman told you to tell them "Customer Loyalty" and then name your terms.

Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


Company Core Values: 

These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

Customer Loyalty

Put yourself in their shoes and support those who support us.

You Control the Outcome

If it is to be, it’s up to me" You are personally responsible for controlling the outcome.

Seek Understanding

Understanding the answer is more important than the answer.

Progress Not Perfection

Pick a direction, analyze the results, and be willing to change course.

Will to Win

Customers, 365 Team, Partners, all need the will to win. Bring the Will to Win to every conversion.

Keep Moving

Move the body, move the mind, and remove any hurdles to achieving an active lifestyle.

Do the Right Thing:

Doing the right thing is more important than doing the thing right.

Stronger together:

If you want to go fast, go alone, if you want to go far, go together. Get your team involved and become stronger together.

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