---
product_id: 52870874
title: "104 BCD Chainring (30-52T) 7-12 Speed Compatible CNC 7075 Aluminum Narrow Wide Tooth Round Oval Chainrings for MTB/Road Bike Ebike Chainwheel Black/Red"
brand: "fomtor"
price: "COP 121818"
currency: COP
in_stock: true
category: "Fomtor"
url: https://www.desertcart.co/products/52870874-104-bcd-chainring-30-52t-7-12-speed-compatible-cnc
store_origin: CO
region: Colombia
---

# Ultra-lightweight 49-70g range CNC-machined 7075 aluminum strength 104mm BCD precision fit 104 BCD Chainring (30-52T) 7-12 Speed Compatible CNC 7075 Aluminum Narrow Wide Tooth Round Oval Chainrings for MTB/Road Bike Ebike Chainwheel Black/Red

**Brand:** fomtor
**Price:** COP 121818
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Ride Sharp, Ride Light, Never Miss a Beat!

## Quick Answers

- **What is this?** 104 BCD Chainring (30-52T) 7-12 Speed Compatible CNC 7075 Aluminum Narrow Wide Tooth Round Oval Chainrings for MTB/Road Bike Ebike Chainwheel Black/Red by fomtor
- **How much does it cost?** COP 121818 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/52870874-104-bcd-chainring-30-52t-7-12-speed-compatible-cnc)

## Best For

- fomtor enthusiasts

## Why This Product

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

## Key Features

- • **CNC Machined Perfection:** Heat-treated 7075 T651 aluminum ensures rigidity with zero flex under pressure.
- • **Precision 104mm BCD Fit:** Seamlessly compatible with 7-12 speed drivetrains for versatile upgrades.
- • **Featherlight Yet Durable:** Weighs as little as 49g with aerospace-grade aluminum for unmatched strength-to-weight ratio.
- • **Narrow Wide Tooth Design:** Maximized chain grip eliminates drops even on the bumpiest trails.
- • **Sleek Round & Oval Options:** Customize your ride style with modern shapes in bold black or red finishes.

## Overview

The FOMTOR 104 BCD Chainring is a high-performance, CNC-machined 7075 aluminum chainring designed for 7-12 speed MTB, road, and e-bikes. Featuring a narrow-wide tooth profile to prevent chain drops and weighing between 49g and 70g depending on size, it offers a perfect balance of lightweight durability and precision fit. Available in multiple tooth counts and shapes, it’s engineered for riders demanding reliability and style on every trail.

## Description

Shop FOMTOR Narrow Wide Chainring 30T 32T 34T 36T 104 BCD 9 10 11 Speed Single Chainring Perfect for Most Mountain Bike Road Bike BMX MTB Fixie Track Fixed-Gear Bicycle (Round, Black) (30T). Free delivery and returns on all eligible orders.

## Features

- BCD: 104mm, teeth size:30T, 32T, 34T, 36T; Shaped: Round, Compatible for 9,10 and 11 speed
- Light Weight: 49g(32T), 56g(34T), 70g(36T), Outer diameter:32T/13.5cm, 34T/14.4cm, 36T/15.2cm
- Narrow Wide Tooth Design increasing the contact area with the chain greatly, so that each of the teeth can be fully inserted into the chain, increase the grasp force, make you no longer worried about the chain dorpped, easy to pass through the bumpy road.
- Material: 7075 aluminum T651 heating treatment. CNC PRECISION PROCESS. Light weight but also high strength
- Stiff 4mm plate thickness to ensure no flexing

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B078F1CKZY |
| Age Range Description | Adult |
| Best Sellers Rank | 17,403 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 5 in Chainrings for Bikes |
| Bicycle Drivetrain Type | Derailleur |
| Bicycle Gear Shifter Type | Trigger |
| Bike Type | Mountain Bike |
| Brake Style | Caliper |
| Brand Name | FOMTOR |
| Colour | Black |
| Country Of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (216) |
| Derailleur Configuration | Front |
| Frame Material Type | Aluminum |
| Global Trade Identification Number | 06929101639657 |
| Included Components | 4 bolts |
| Intended Riding Terrain | Mountain Terrain |
| Is Assembly Required | No |
| Is Autographed | No |
| Manufacturer | FOMTOR |
| Manufacturer Warranty Description | 2 year manufacturer |
| Model Name | 6929101639657 |
| Model Number | 6929101639657 |
| Number Of Speeds | 3 |
| Number of Handles | 2 |
| Power Source | Pedal power |
| Size | 30T |
| Special Features | Aluminum Frame, BMX, mountain bike |
| Specific Uses For Product | Trail |
| Style Name | Modern |
| Suspension Type | Rigid |
| Theme | Modern Cycling |
| Unit Count | 1.0 count |
| Warranty Type | Limited |
| Wheel Material | Aluminium |

## Product Details

- **Age range (description):** Adult
- **Bike type:** Mountain Bike
- **Brand:** FOMTOR
- **Colour:** Black
- **Frame material:** Aluminum
- **Included components:** 4 bolts
- **Number of speeds:** 3
- **Size:** 30T
- **Special feature:** Aluminum Frame, BMX, mountain bike
- **Suspension type:** Rigid

## Images

![104 BCD Chainring (30-52T) 7-12 Speed Compatible CNC 7075 Aluminum Narrow Wide Tooth Round Oval Chainrings for MTB/Road Bike Ebike Chainwheel Black/Red - Image 1](https://m.media-amazon.com/images/I/61ux4XDykCL.jpg)

## Available Options

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

## Frequently Bought Together

- FOMTOR Narrow Wide Chainring 30T 32T 34T 36T 104 BCD 9 10 11 Speed Single Chainring Perfect for Most Mountain Bike Road Bike BMX MTB Fixie Track Fixed-Gear Bicycle (Round, Black)
- Chainring 104 BCD 32T 34T 36T 38T Narrow Wide Single Chain Ring with 4 Pieces Sprocket Bolts for Road Bikes, Mountain Bikes, BMX MTB Bike
- KMC X10 10 Speed Bicycle Chain

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**Shop now:** [https://www.desertcart.co/products/52870874-104-bcd-chainring-30-52t-7-12-speed-compatible-cnc](https://www.desertcart.co/products/52870874-104-bcd-chainring-30-52t-7-12-speed-compatible-cnc)

---

*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-09-16*