PARK TOOL

Park Tool 788 Reamer 43.95Mm Reams Head Tube To Accept Internal Headset Cups 788

MSRP : $168.40
$129.54
(You save $38.86 )
In Stock
(0) Write a Review
SKU:
62836
UPC:
763477013910
Condition:
New
Shipping:
Free Shipping (2-3 Business Days)
Adding to cart… The item has been added

About The Product

  • A variety of tools for reaming, tapping and facing bicycle headtubes and bottom brackets

Upgrade your bicycle maintenance toolkit with the Park Tool 788 Reamer 43.95mm, a precision-engineered head tube reamer designed for professional and enthusiast bike builders alike. This high-performance tool is essential for accurately reaming head tube I.D.s to 43.95mm, ensuring a perfect fit for internal headset cups of 44.05-44.10mm O.D., compatible with the 1-1/8" ZS (Zero Stack) headset standard. Crafted from durable, high-quality materials, the silver-reinforced reamer guarantees long-lasting performance under rigorous use.

### Materials & Construction

Constructed from hardened steel with a corrosion-resistant finish, the Park Tool 788 Reamer offers exceptional durability and precision. Its robust build ensures consistent, clean cuts, reducing the risk of tube deformation or damage during installation and maintenance.

### Performance & Engineering

Designed for meticulous head tube servicing, this reamer features carefully engineered threading and cutting edges that deliver smooth, accurate reaming operations. Compatible with the HTR-1 head tube reaming and facing set, the tool seamlessly integrates with your existing workshop setup, enabling efficient 2-in-1 reaming and facing with the #690 Facing Cutter for optimal preparation of head tubes.

### Components & Technology

The 788 model is part of Park Tool's professional reaming and spacer set line, compatible with 1-1/8 ZS and 1.5 EC headsets. It works in tandem with the 690-XL Facing Cutter and 750 Centering Cone to ensure precise alignment and smooth surface finish, resulting in secure, high-performance headset fitting.

### Style & Use Case

With its sleek silver finish, the Park Tool 788 Reamer not only offers professional-grade craftsmanship but also a clean, streamlined look suitable for high-end bike shops, custom-build projects, and routine maintenance. Its versatile size makes it an ideal choice for road, mountain, gravel, and cyclocross bikes that utilize the popular ZS44 or EC44 headset standards.

### Innovative Features & Differentiators

- Precision Head Tube Reaming: Achieves perfect I.D. dimensions for optimal headset fit.

- Compatibility: Designed specifically for 1-1/8" ZS and 1.5" EC headsets, ensuring accurate and consistent results.

- Ease of Use: Compatible with the HTR-1 set and paired with the 690-XL Facing Cutter for comprehensive head tube preparation.

- Durability & Reliability: Built from hardened steel for long-term service life, even under demanding workshop conditions.

### Key Specifications:

- Size: 43.95mm

- Material: Hardened Steel with Silver Finish

- Compatibility: For 1-1/8" ZS / 1.5" EC Headsets

- Item Model: 788

- Application: Head Tube Reaming and Spacer Set

Elevate your bike repair and assembly process with the Park Tool 788 Reamer 43.95mm - the trusted choice for precise, reliable head tube preparation.

  • Precision-machined from high-quality steel for durability and long-lasting performance in bicycle maintenance.
  • Engineered for accurate reaming of head tubes to 43.95mm, ensuring perfect fit and alignment for internal headset cups in 1-1/8" ZS or EC44 headsets.
  • Compatible with Park Tool's HTR-1 reaming/facing set and designed for use with the #690-XL Facing Cutter and 750 Centering Cone, facilitating efficient 2-in-1 head tube preparation.
  • Ideal for professional bike shops and DIY enthusiasts, this reamer provides precise head tube reaming to optimize steering responsiveness and frame longevity.
  • Features a sleek, corrosion-resistant silver finish for corrosion resistance and easy identification, making it a reliable tool for head tube reaming and headset installation tasks.
SpecificationValue
ManufacturerPARK TOOL
Manufacturer Part No.788
Universal Product Code763477013910
Invoice DescriptionTOOL HEAD TUBE REAMER PARK 788 REAMER 43.95mm
Shipping Weight0.26 lbs.
Package Dimensions4.45 x 2.85 x 0.85
Country of OriginUNITED STATES
Tool TypeReamer & Spacer Set
Compatibilityfor 1-1/8" ZS / 1.5" EC Headsets
Size43.95mm
Model788
Supplier:
JBI

Bike Junkies offers no‑hassle returns and exchanges within  60 days of delivery. We want every customer to feel confident when shopping with us, and our return process is designed to be simple, fair, and fast.

Return Eligibility

To qualify for a return or exchange, the following conditions must be met:

  • The item must be in new, unused, and uninstalled condition.

  • All original packaging, tags, hardware, and accessories must be included and intact.

  • Items showing wear, installation marks, damage, or improper use cannot be accepted.

  • An order number is required.

Once your return is received at our warehouse, a refund will be issued within 5 days after inspection.

Refunds

Refunds are issued to the original form of payment once the returned item has been received and approved. If we are unable to refund to the original payment method, the refund will be issued as store credit.

Depending on your bank or credit card provider, it may take an additional 2–3 business days for the refund to appear in your account. 

Exchanges

To make an exchange, simply complete the return process and then place a new order for the item you want instead. This ensures the replacement item is reserved and ships quickly.

How to Start a Return

To request a Return Authorization (RA#), contact us at support@bikejunkies.com. Please include your order number and the item you wish to return.

Once approved:

  1. You will receive a Return Authorization email with instructions.

  2. Print the prepaid label provided by us. ($9.99 will be deducted from your refund)

  3. Ship the item back within 7 days of the RA being issued as RA #'s are only valid for 7 days. 

Please do not tape anything to the original product packaging. Place the item inside a proper shipping box. Using the manufacturer’s box as the shipping container will result in damage and the return may be rejected.

Be sure to keep your return tracking number. Powersport Junkies is not responsible for lost return shipments. You will receive a confirmation email once your return has been processed and refunded.

Defective, Incorrect, or Damaged Items

If you receive a defective, damaged, or incorrectly shipped item, contact us immediately. We will cover the return shipping cost and ensure the issue is resolved quickly.

Non‑Returnable Items

Certain items cannot be returned, including:

  • Electronics with opened packaging or broken manufacturer seals

  • Any part that has been installed or shows installation attempts

  • Tools or chemicals that have been opened or unsealed

  • Open‑box items with destroyed or missing packaging

Our Info

  • Storefront name: Bike Junkies

  • Address: 940 Calle Amanecer, Suite N
    San Clemente, CA 92673

  • Phone: 800-605-2152

  • Support email: support@bikejunkies.com

  • Support hours + timezone: 

        Monday-Friday: 9:00 AM-5:00 PM PST

        Saturday: 9:00 AM-3:00 PM PST

        Sunday: Closed

This Shipping Policy explains how orders are processed, handled, and delivered by Bike Junkies, including delivery timelines, shipping coverage, and special conditions for military addresses. It is designed to give customers a clear understanding of what to expect when placing an order.

Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.

Order Processing and Handling

Orders are processed quickly to ensure fast delivery. Our standard handling time is 0–1 business days. Order cutoff time is 12 PM PST Monday-Friday and orders placed after that will be shipped shipped next business day. 

Transit Times

Once shipped, orders typically arrive within 2–3 business days. Transit times may vary slightly depending on the destination, weather conditions, or carrier-related delays. Delivery estimates apply only after the order has left our facility.

Delivery Schedule

Standard delivery occurs Monday through Friday. Saturday delivery may be available.

Shipping Coverage

Bike Junkies offers free shipping to the lower 48 states of the United States. We do not ship to the following locations:

  • Alaska

  • Hawaii

  • Puerto Rico

  • Any international destination outside the United States

Orders placed with shipping addresses in restricted locations will be canceled and refunded.

Military Shipping (APO/FPO)

Bike Junkies ships to APO/FPO military addresses using USPS only.

  • We cannot ship hazardous materials or oversized items to military addresses due to carrier and military mail restrictions.

  • Transit times to APO/FPO locations may vary significantly depending on military mail processing.

Address Accuracy and Delivery Issues

Customers are responsible for ensuring that all shipping information provided at checkout is accurate and complete. Bike Junkies is not responsible for delays, lost packages, or delivery failures caused by incorrect or incomplete addresses. If a package is returned due to an address error, additional shipping charges may apply to resend the order.

Lost, Delayed, or Damaged Shipments

If a shipment is delayed, lost, or arrives damaged, customers should contact us promptly so we can assist with initiating a claim or resolving the issue with the carrier. While we support the process, final decisions regarding claims are made by the carrier.

Tracking Information

A tracking number is provided via email once the shipping label has been created. Tracking updates may take up to 24 hours to appear after the label is generated.

Shipping Restrictions

Certain items may be subject to shipping restrictions due to size, weight, or hazardous material regulations. If an order cannot be shipped due to such restrictions, we will notify the customer to arrange an alternative solution.

Our Info

  • Storefront name: Bike Junkies

  • Address: 940 Calle Amanecer, Suite N
    San Clemente, CA 92673

  • Phone: 800-605-2152

  • Support email: support@bikejunkies.com

  • Support hours + timezone: 

        Monday-Friday: 9:00 AM-5:00 PM PST

        Saturday: 9:00 AM-3:00 PM PST

        Sunday: Closed

For warranty issues please contact us at support@bikejunkies.com. Each Brand is different and we can provide instruction to complete warranty issues.

Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.

Our Info

  • Storefront name: Bike Junkies

  • Address: 940 Calle Amanecer, Suite N
    San Clemente, CA 92673

  • Phone: 800-605-2152

  • Support email: support@bikejunkies.com

  • Support hours + timezone: 

        Monday-Friday: 9:00 AM-5:00 PM PST

        Saturday: 9:00 AM-3:00 PM PST

        Sunday: Closed