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NEW
Flow Cap Counterweight Kit fully assembled with the black Flow Cap pushed all the way onto the Flow Cap Mount, showing the mount&
Flow Cap Counterweight Kit fully assembled with the clear Flow Cap pushed all the way onto the Flow Cap Mount, showing the mount&
What is in the Flow Cap Counterweight Kit box: the stainless Contact Saber Weight, the aluminium Flow Cap Mount with its 2 O-rings and 2 M4 x 3 set screws already installed, the PTFE shim and the stainless connecting screw shown in their assembly orientation on the build axis, and the Flow Cap
Included hardware and how the joint works: the Saber Hilt Extension, the PTFE shim and the Flow Cap Mount exploded in order, with the stainless connecting screw and the included 4mm Allen key below. The screw and shim semi-permanently join the mount to the hilt extension until the screw is removed.
Flow Cap Counterweight Kit
Rotatable 3D model of the fully assembled Flow Cap Counterweight Kit with the black Flow Cap
Rotatable 3D model of the fully assembled Flow Cap Counterweight Kit with the clear Flow Cap

Flow Cap Counterweight Kit

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$69.95 Regular price
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The Flow Cap Counterweight Kit is the complete rear-balance upgrade for RGB Critter contact saber and staff builds, designed to maximize centrifugal force, momentum, and stability during advanced flow movement.

This kit combines the Flow Cap, the precision-machined Flow Cap Mount, and the stainless steel Contact Saber Weight into one integrated rear counterweight system.

Full details and specs Show less

The Flow Cap Mount is precision-machined from aircraft-grade aluminum and threads directly onto the rear of the RGB Critter BT or the Saber Hilt Extension. It adds structural length while creating a rugged rear mounting point built for high-motion spinning and contact-style use.

The included Flow Cap is made from high-strength silicone, providing a soft yet durable rear finish that helps protect the end of your build during drops and impacts. The cap pushes on and pulls off with a friction fit, locking into the mount using an internal rib-matching profile, creating a clean finished end without clips or exposed hardware. It does not twist on.

You may choose between a clear or black Flow Cap. The black version is the default selection unless otherwise specified.

At the core of this kit is the stainless steel counterweight insert. Stainless steel provides significantly greater mass than aluminum in the same footprint, increasing centrifugal force during spins. The added tail-end weight improves stability, smoothness, and control for contact saber and staff-style balance.

The weight has no threads. It slides into the mount's bore, and the mount's two preinstalled M4 x 3 set screws tighten down into a machined groove in the weight to lock it in place, forming a solid connection engineered for repeated performance use.

This kit is essential for flow artists building true contact sabers or balanced staff configurations within the RGB Critter modular system.


Includes

  • Flow Cap (high-strength silicone, clear or black, black default)
  • Flow Cap Mount (precision-machined aircraft-grade aluminum)
  • Stainless steel Contact Saber Weight
  • 2x M4 x 3 set screws, preinstalled in the mount
  • 2mm Allen key, for the set screws
  • Flow Cap Counterweight System Screw, the stainless connecting screw
  • Flow Cap Counterweight System Shim (PTFE)
  • 4mm Allen key, for the connecting screw

Locking it to the Saber Hilt Extension

The connecting screw, the PTFE shim and the 4mm Allen key that drives them are all in the box, and together they let you semi-permanently join the Flow Cap Mount to the Saber Hilt Extension.

The shim seats at the joint between the two parts, and the screw passes through the front of the mount into the hilt extension. Once it is tightened, the mount and the hilt extension will not unthread, rotate or work loose no matter how hard you spin. They stay joined until you take the screw back out with the 4mm Allen key.

Installing it is optional. Leave the screw out if you want to keep breaking the build down by hand, and put it in if you want a fixed, rattle-free rear end for contact and high-speed work.


Specs

  • Total rear assembly weight (with Flow Cap installed): 6.7 oz

  • Total rear assembly weight (mount + stainless weight): 5.5 oz

  • Stainless steel counterweight insert: 4.3 oz

  • Flow Cap Mount (aluminum): 1.2 oz

  • Flow Cap (silicone): 1.23 oz (35 g)

  • Adds 54 mm total length to the rear of the saber

  • Durable, impact-safe construction for contact-style use


Color
$69.95
Flow Cap Counterweight Kit
Flow Cap Counterweight Kit
Black
$69.95 Regular price
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International Shipping Restriction

This lithium-ion battery cannot be shipped internationally and cannot be added to your cart.

You can purchase the required battery locally with these specifications:

  • 18650
  • Lithium-ion
  • 3.6V nominal
  • Unprotected
  • Flat top
  • 18.3mm diameter × 65.0mm length

Do not purchase protected, button top, 3.2V, or 1.5V cells.

Ants on a Melon is not responsible for batteries purchased from third-party sellers. Please verify specifications and use only high-quality lithium-ion cells from reputable brands.

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