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DualCore Sidewheel


A unique parallax wheel with two centres: can be used in centered or in excentric position, wide space for the scale, strong and unbreakable. See the details at the bottom on the page.

This sidewheel has been designed on a way, that it will fit to the scope and to my EasyPin pointer / MultiPin / SmartPin and ProTurret Click Knob as well. If you order only a sidewheel, please make sure that it does not clash with the third party accessories. If you have any questions, please contact me before placing an order.

The pointers fit perfectly to my sidewheel, I recommend to buy them together. The ring size will be automatically selected according to your scope’s tube diameter. If you want me to send a pointer with an extended scale (10 mm more travel for the pin/stripe), please select your pointer type here and add 5 pounds to the order by using the Additional Payment page.

Made of strong UV-stable ASA polymer, with stainless steel screws. Please note that I have slightly modified the design, certain wheels may differ in smaller details compared to the photos.

Please note that although the wheels are marked as “in stock”, dispatch time is usually 2-3 days.


DualCore Sidewheel

  • For Nikko MK1-2-3, Schmidt&Bender FT, Sightron S-III, Falcon T, Nightforce Competition and Leupold Competition scopes
  • I can design the appropriate version for any other scopes (contact me)
  • Centered or excentric mounting in one wheel!
  • 20 mm wide, big space for marking the distances
  • d=125 (effective diameter 65-185 mm) or d=140 mm (effective 80-200 mm)
  • Doesn’t leave grub screw marks on your scope’s parallax knob
  • Lightweight design, suitable for springer shooters
  • Warm to the touch even in winter conditions
  • See also this blog post: DualCore Sidewheel

How to mount the DualCore on your scope:
Connect the two halves of the core ring onto the wheel but DO NOT tighten the bolts just let them catch the thread in the nuts. Then fix the two halves onto the scope (with a ball end hex key), and finally tighten the 6 bolts.


SmartPin Pointer (adjustable)

  • Can compensate temp shift issues or light conditions / eye fatigue problems
  • 20 mm vertical adjustment range (15 mm for the Linear version)
  • 2 pins version for centered wheels
  • Linear version for excentric / shaped wheels
  • Special version for S&B FT scope, with or without EagleEye Clicks Magnifier
  • Product pages: SmartPin Adjustable Pointer and SmartPin Extra S&B
  • More details and photos in these blog posts: SmartPin posts

Additional information

Your scope

Falcon T, Nightforce Competition, Nikko MK1-3, Sightron S-III, — Design my wheel! —


DualCore 125 mm (5"), DualCore 140 mm (5.5")


SmartPin (2 pins), SmartPin Linear


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