---
product_id: 96022116
title: "Internal Throttle KIT with Metal Sleeve for use with Rubber Grips on 1\" Handlebars - Needle and Ball Bearing Construction with Spring-Assisted Return - Custom Harley Bobber Chopper"
brand: "billet proof designs"
price: "₩370734"
currency: KRW
in_stock: true
reviews_count: 3
url: https://www.desertcart.kr/products/96022116-internal-throttle-kit-with-metal-sleeve-for-use-with-rubber
store_origin: KR
region: South Korea
---

# Spring-Assisted Safety Return Needle & Ball Bearing Precision CNC Machined Aluminum Sleeve Internal Throttle KIT with Metal Sleeve for use with Rubber Grips on 1" Handlebars - Needle and Ball Bearing Construction with Spring-Assisted Return - Custom Harley Bobber Chopper

**Brand:** billet proof designs
**Price:** ₩370734
**Availability:** ✅ In Stock

## Summary

> 🏍️ Ride Smooth, Ride Safe — Upgrade Your Throttle Game!

## Quick Answers

- **What is this?** Internal Throttle KIT with Metal Sleeve for use with Rubber Grips on 1" Handlebars - Needle and Ball Bearing Construction with Spring-Assisted Return - Custom Harley Bobber Chopper by billet proof designs
- **How much does it cost?** ₩370734 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/96022116-internal-throttle-kit-with-metal-sleeve-for-use-with-rubber)

## Best For

- billet proof designs enthusiasts

## Why This Product

- Trusted billet proof designs brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety-First Design:** Spring-assisted throttle return enhances control and rider safety on every ride.
- • **Effortless Installation:** No welding required—basic hand tools and clear instructions get you riding faster.
- • **Durable CNC Aluminum Sleeve:** Knurled 6061 aluminum sleeve ensures a secure grip fit and long-lasting performance.
- • **Custom Fit for 1" Handlebars:** Designed specifically for 1-inch handlebars, perfect for your custom Harley Bobber or chopper.
- • **Ultra-Smooth Throttle Action:** Precision needle and ball bearings deliver buttery-smooth throttle response that outperforms competitors.

## Overview

This Internal Throttle Kit by Billet Proof Designs features a precision needle and ball bearing construction for ultra-smooth throttle operation, paired with a CNC-machined 6061 aluminum throttle sleeve designed to securely fit rubber grips on 1" handlebars. Made in the USA, it offers a spring-assisted return for enhanced safety and installs easily with basic tools—no welding needed. Ideal for custom Harley Bobbers and choppers seeking a sleek, reliable throttle upgrade.

## Description

This KIT includes the Internal Throttle and Metal Throttle Sleeve that will allow you to use Rubber Grips! Does NOT come with grips. Internal Throttle: The unique Needle and Ball Bearing Construction creates an extremely smooth operation over competitors internal throttles. Throttle also features a spring-assisted return for added safety. This kit uses three types of throttle bearings: 5/32" x 5/16" x 1/8" 3/8" x 7/8" x 9/32" 5/8" x 13/16" x 5/8" Comes with detailed installation instructions. Basic Hand Tools required for proper installation. (No Welding Required) The throttle side of the cable goes into a barrel in the throttle and is then secured with the provided set-screw. Custom Application for any bike with 1" Handlebars. The internal portion of the throttle slides into the handlebars just short of 2-1/2" (Roughly 2-15/16") INSTALL NOTE: You will most likely need a longer cable to use with this internal throttle kit. Throttle Sleeve: CNC machined from 6061 Aluminum. The throttle sleeve surface is knurled to properly secure your grips. The sleeve also comes with stainless steel set-screws to secure the sleeve to your internal throttle. Simply slide the sleeve over the throttle, tighten the set-screws and install your favorite set of rubber grips and you're good to go! Choose from our wide variety of grips or use your own with this kit! Dimensions: Internal Throttle: Length (Overall) - 7-1/4” Length (Internal Portion) - 2-15/32" Length (External Portion) - 4-3/4" OD (Internal Portion) - .792” OD (External Portion) - .998” Throttle Sleeve: Length - 4-5/8” OD - 1-1/8” ID - 1.015” Fitment: Custom Application for any bike with 1" Handlebars. Basic Hand Tools required

## Features

- This KIT includes the Internal Throttle and Metal Throttle Sleeve that will allow you to use Rubber Grips! Does NOT come with grips. MADE IN THE USA
- Internal Throttle: The unique Needle and Ball Bearing Construction creates an extremely smooth operation over competitors internal throttles. Throttle also features a spring-assisted return for added safety.
- Comes with detailed installation instructions. Basic Hand Tools required for proper installation. (No Welding Required) Custom Application for any bike with 1" Handlebars. The internal portion of the throttle slides into the handlebars just short of 2-1/2" (Roughly 2-15/16") INSTALL NOTE: You will most likely need a longer cable to use with this internal throttle kit.
- Throttle Sleeve: CNC machined from 6061 Aluminum. The throttle sleeve surface is knurled to properly secure your grips. The sleeve also comes with stainless steel set-screws to secure the sleeve to your internal throttle.
- Simply slide the sleeve over the throttle, tighten the set-screws and install your favorite set of rubber grips and you're good to go! Choose from our wide variety of grips or use your own with this kit!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Vehicle Service Type | Street Bike, Sport Bike, Dirt Bike, Adventure Tourer |
| Color | black |
| Brand | Billet Proof Designs |
| Material | Rubber |
| Product Dimensions | 7.75"L x 1.02"W |
| Size | 1 inch |
| Number of Items | 1 |
| Manufacturer | Billet Proof Designs |
| Item Package Dimensions L x W x H | 10 x 6 x 2 inches |
| Package Weight | 10 Ounces |
| Item Dimensions  LxWxH | 7 x 1 x 1 inches |
| Brand Name | Billet Proof Designs |
| Part Number | IINTRNL_THRTL_WTH_SLV |
| Handle Material | Rubber |

## Product Details

- **Vehicle Service Type:** Street Bike, Sport Bike, Dirt Bike, Adventure Tourer
- **Color:** black
- **Brand:** Billet Proof Designs
- **Material:** Rubber
- **Product Dimensions:** 7.75"L x 1.02"W

## Images

![Internal Throttle KIT with Metal Sleeve for use with Rubber Grips on 1" Handlebars - Needle and Ball Bearing Construction with Spring-Assisted Return - Custom Harley Bobber Chopper - Image 1](https://m.media-amazon.com/images/I/61w4-BA0EZL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Top quality
*by G***N on October 22, 2023*

Installed this on my 1975 Sportster and it is better than I ever imagined. Easy to install and functions excellently. Very high quality

### ⭐⭐⭐⭐ 4.5 stars easy to install
*by S***N on November 4, 2020*

Excellent feel even on bumpy dirt roads PRO maintains a steady speed.Easy to install can be done at home..w proper tools need to trim a few inches off handle barExcellent craftsmanship....CONS The alum adapter sleeve has the WORLDS smallest set screw..useless the sleeve is so thin they cant use a bigger set screw...i found using left side grip works perfectly save the $25.00 and buy a leftside grip...am doing a full review and install set on facebook page

### ⭐⭐ Can't be used with Internal Wiring!
*by S***B on January 19, 2024*

Very nice construction. But...no where does it say it can't be used with Internal Wiring, WT?!Very disappointed! Returning item.

## Frequently Bought Together

- Internal Throttle KIT with Metal Sleeve for use with Rubber Grips on 1" Handlebars - Needle and Ball Bearing Construction with Spring-Assisted Return - Custom Harley Bobber Chopper
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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-02*