---
product_id: 18841283
title: "Ultra Super Flex Replacement Bowsight Fiber 40\""
brand: "nanoptics"
price: "₱1612"
currency: PHP
in_stock: true
url: https://www.desertcart.ph/products/18841283-ultra-super-flex-replacement-bowsight-fiber-40
store_origin: PH
region: Philippines
---

# Flexible, bends around pins Brightest fluorescent fiber Durable, fade & crack resistant Ultra Super Flex Replacement Bowsight Fiber 40"

**Brand:** nanoptics
**Price:** ₱1612
**Availability:** ✅ In Stock

## Summary

> 🎯 Light up your aim with the brightest, toughest fiber on the range!

## Quick Answers

- **What is this?** Ultra Super Flex Replacement Bowsight Fiber 40" by nanoptics
- **How much does it cost?** ₱1612 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/18841283-ultra-super-flex-replacement-bowsight-fiber-40)

## Best For

- nanoptics enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted to resist fading and cracking, keeping your bow sight sharp season after season.
- • **Made in the USA:** Proudly manufactured domestically, guaranteeing top-tier quality and reliability.
- • **Ultimate Flexibility:** Easily bends to fit any sight or pin, giving you seamless customization options.
- • **Unmatched Brightness:** Stand out with the brightest fiber on the market, ensuring your sight is always visible.
- • **Universal Compatibility:** Fits all bowsight brands and sight pins, so you never worry about fit.

## Overview

Nanoptics Ultra Super Flex Replacement Bowsight Fiber (40") delivers the brightest fluorescent optical fiber designed for archery pros and enthusiasts. Its durable, flexible design fits all bowsight pins, resists fading and cracking, and is proudly made in the USA. Perfect for enhancing visibility and precision in any shooting condition.

## Description

Nanoptics Ultra Super Flex (USF) fiber is the perfect fiber for everyday use by competition pros and enthusiasts alike. As our general use fiber, it is the brightest fiber available on the market. USF fibers easily flare with heat to stay secure in your sight pin. Each replacement pack contains one 40” fiber in your choice of size and vivid color. Our fibers fit all brands of archery sights and sight pins. Check with your sight manufacturer for proper size. Nanoptics is the worldwide leader of fluorescent optical fiber. As the leading supplier, we manufacture the brightest and toughest fiber in the industry. All of our products are proudly made in the USA.

## Features

- Bright - Fluorescent colors stand out against your target
- Durable - Won't fade or crack over time
- Flexible - Easily bends around sights and pins
- Customize - Use colors you prefer on your sight
- Standard sizes - Fits all bowsights and sight pins

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Nanoptics |
| Color | Green |
| Style | Versatile |
| Sport | Archery |
| Material | optical fiber |
| Compatible Devices | Compatible with all devices |
| Mounting Type | Bow Sight Mount |
| Night vision | No |
| Aiming Scope Sight Pin Size | 0.02 Inches |
| Manufacturer | Nanoptics, Inc. |
| Reticle Type | Dot or Post |
| UPC | 608729736882 |
| Item Package Dimensions L x W x H | 9.13 x 2.36 x 0.31 inches |
| Package Weight | 0.02 Kilograms |
| Brand Name | Nanoptics |
| Part Number | 019UG-40P |
| Size | 0.019" |

## Product Details

- **Brand:** Nanoptics
- **Color:** Green
- **Style:** Versatile
- **Sport:** Archery
- **Material:** optical fiber
- **Compatible Devices:** Compatible with all devices
- **Mounting Type:** Bow Sight Mount
- **Night vision:** No
- **Aiming Scope Sight Pin Size:** 0.02 Inches
- **Manufacturer:** Nanoptics, Inc.

## Images

![Ultra Super Flex Replacement Bowsight Fiber 40" - Image 1](https://m.media-amazon.com/images/I/51mbNnOP-QL.jpg)
![Ultra Super Flex Replacement Bowsight Fiber 40" - Image 2](https://m.media-amazon.com/images/I/71tFrPAzd7L.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Frequently Bought Together

- Nanoptics Ultra Super Flex Replacement Bowsight Fiber 40"
- Nanoptics Ultra Super Flex Replacement Bowsight Fiber 12" (Pack of 5)
- AKEPO Fiber Optic Sight Replacement Rod for Gun Bow Sight Fluorescence Fiber Optic Sights Rod High Brightness Glow Stick Green/Red/Hunter Orange - φ0.019/0.029"/0.040"/0.060"/0.078" * L 7.87"(20cm)

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**Shop now:** [https://www.desertcart.ph/products/18841283-ultra-super-flex-replacement-bowsight-fiber-40](https://www.desertcart.ph/products/18841283-ultra-super-flex-replacement-bowsight-fiber-40)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-02-02*