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M8 - Riser Bolt Mount | 20 Series™ | 20mm Ball | Black

13 reviews

🛑 Metric M8 Sized Riser Bolts Only. Will not work with HD.

  • Unlimited M8 Bolt Mounting Options: Our innovative Riser Bolt Mount allows you the flexibility to swap an M8 bolt on your Motorcycle with a new M8 bolt that accommodates a 20mm ball head. This 20mm ball can be used to mount various holders such as a Phone Cradle, Drink Holder, GPS, or Action Camera. (Arms and Holders sold separately) We understand that different Motorcycle manufacturers and models require different length M8 bolts. To accommodate your specific application, we include (3) M8 bolts measuring M8 x 55mm, M8 x 60mm, and M8 x 65mm.
  • Precision Engineering: Crafted from high-quality billet aluminum, our Pinch Bolt / Riser Bolt Mounts are created utilizing CNC machining processes, ensuring unmatched durability and precision.
  • Premium Materials: 6061-T6 Billet Aluminum. Black Anodized Aluminum 20mm Ball. Stainless Steel Hardware.
  • Tackform 20 Series: Specifically designed for compatibility with Tackform’s 20 Series Platform, revolving around the 20mm ball and socket system. While compatible with other 20mm products, our parts stand out for their tested durability and engineered load capacities, featuring a safety factor not guaranteed by other manufacturers. Please Note: Not compatible with 25.4mm / 1” / B-Sized ball systems or 1.5" ball and socket system parts.



At Tackform, we are committed to providing you with top notch support.
If you have any questions or concerns about your order, please don't hesitate to reach out to our knowledgeable support technicians.

Our customer support team is available Monday through Friday 9:00 AM - 5:00 PM.


How long will it take to get my order?

  • USPS and Ground orders ship the same or next business day.
  • FedEx Express orders placed before 2 PM CST will ship same business day.
  • International orders, wholesale, and large bulk orders ay take an additional 1-2 business days for processing.

What shipping carriers do you use?

  • USPS
  • FedEx

Where do you ship from?

  • Tackform HQ (Addison Illinois 60101)

Can I return my product?

Of course, Tackform has a flexible 30 day return policy. You can find the full details by clicking here -> RETURNS


If we still haven't answered your questions, you can contact us below and we will get back to you as soon as possible.

"We're dedicated to providing you with the best possible shipping experience and we're here to help you in any way we can. Thank you for choosing Tackform. We look forward to serving you"

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Customer Reviews

Based on 13 reviews
Eric F. (Saint John, US)
Semi truck mount

Work great in a 2025 peterbilt, replacement grab handle bolt mount

T.M. (Torrance, US)
Great product, Excellent Customer Support

Very good Quality and well engineered product. Customer support is OUTSTANDING !

Lori H. (Calgary, CA)

Pinch Bolt Mount | M8 Hardware Included | 20mm Ball

Todd K. (Atlanta, US)
REVIEW of Pinch Bolt Mount | M8 Hardware Included | 20mm Ball

Exactly what I was looking for to add 20mm Ball to my Grab Bar in my Jeep Wrangler! Great Product at a Great Price with super Quick Shipping! I highly recommend this Product and this Company!

Kent P. (Maryville, US)
Pinch Bolt Mount

I've had a Enduro series phone holder on my 2018 Harley for a couple of years and loved it. Just ordered 2 pinch bolt mounts and installed them on my Honda Monkey and MT-03, so I could move my phone mount between bikes easily. These things are the best!