---
product_id: 48560663
title: "Bicycle Crank Arm Set 104 BCD Road Mountain Bike Crankset with Bottom Bracket and Chainring bolts 170mm Crank Arm"
brand: "fomtor"
price: "$143.78"
currency: USD
in_stock: true
category: "Fomtor"
url: https://www.desertcart.us/products/48560663-bicycle-crank-arm-set-104-bcd-road-mountain-bike-crankset
store_origin: US
region: United States of America
---

# 170mm crank arm length Includes bottom bracket & chainring bolts 104mm BCD compatibility Bicycle Crank Arm Set 104 BCD Road Mountain Bike Crankset with Bottom Bracket and Chainring bolts 170mm Crank Arm

**Brand:** fomtor
**Price:** $143.78
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Upgrade your pedal game with pro-level power and style!

## Quick Answers

- **What is this?** Bicycle Crank Arm Set 104 BCD Road Mountain Bike Crankset with Bottom Bracket and Chainring bolts 170mm Crank Arm by fomtor
- **How much does it cost?** $143.78 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/48560663-bicycle-crank-arm-set-104-bcd-road-mountain-bike-crankset)

## 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

- • **Rock-Solid Durability:** Forged crank arms and robust bottom bracket deliver stiff, reliable power transfer on rough trails and smooth roads alike.
- • **All-in-One Upgrade Kit:** Comes complete with forged crankset, bottom bracket, chainring bolts, and Allen wrench—everything you need to upgrade in one package.
- • **Versatile Compatibility:** Fits BSA 68-73mm bottom bracket shells and works flawlessly with FSA, Giant ATX770, XTC 750, and more—future-proof your ride.
- • **Budget-Savvy Performance:** High-quality Hollowtech II clone design offers premium feel and function without the premium price tag—save £40+ instantly.
- • **Precision Fit for Every Ride:** 104mm BCD and 170mm crank arm length ensure seamless compatibility with 9S-11S cranksets across MTB, road, folding, and BMX bikes.

## Overview

The FOMTOR Bicycle Crank Arm Red is a 170mm forged crankset with a 104mm BCD, designed for mountain, road, folding, and BMX bikes. It includes a compatible bottom bracket and chainring bolts, offering a durable, Hollowtech II clone system that delivers solid performance and easy installation at a fraction of the cost of premium brands.

## Description

FOMTOR Bicycle Crank Arm Set 104 BCD Road Mountain Bike Crankset with Bottom Bracket and Chainring bolts 170mm Crank Arm

## Features

- BCD:104mm.Crank Arm length 170mm，Crank related holes distance 74mm
- With Bottom Bracket. Bottom Bracket Diameter 23.79mm. B.B BSA:68~73mm
- Compatible: single disc, double disc, three disc 9S 10S 11S crankset, FSA, Giant ATX770 ATX770-D XTC 750 bike
- Suit for Mountain Bike, Road bike, Folding bike, MTB, BMX
- Package Include: one fordged Crank set,Bottom Bracket,4 pcs single chainring bolts(set) ,and crank screw, crankset bolt Allen Wrench.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075F6TVPD |
| Batteries included? | No |
| Best Sellers Rank | 130,031 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 235 in Cranksets for Bikes |
| Brand | FOMTOR |
| Color | Red |
| Customer Reviews | 4.4 4.4 out of 5 stars (322) |
| Date First Available | 5 Sept. 2017 |
| Is discontinued by manufacturer | No |
| Manufacturer | FOMTOR |
| Package Dimensions | 27.4 x 18.5 x 10.1 cm; 980 g |

## Images

![Bicycle Crank Arm Set 104 BCD Road Mountain Bike Crankset with Bottom Bracket and Chainring bolts 170mm Crank Arm - Image 1](https://m.media-amazon.com/images/I/61p-mBC6SdL.jpg)

## Available Options

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

## Frequently Bought Together

- FOMTOR Bicycle Crank Arm Set 104 BCD Road Mountain Bike Crankset with Bottom Bracket and Chainring bolts 170mm Crank Arm (Red)
- KMC Unisex - Adult X9SL Ti-N X9 SL 9 Speed Chain, 114 Links
- 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/48560663-bicycle-crank-arm-set-104-bcd-road-mountain-bike-crankset](https://www.desertcart.us/products/48560663-bicycle-crank-arm-set-104-bcd-road-mountain-bike-crankset)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-16*