---
product_id: 507286876
title: "BUCKLOS 104 BCD 32T 34T 36T 38T Mountain Bike 170mm Crankset, Aluminum Alloy MTB Crank Set Round Oval Narrow Wide Chainring Bottom Bracket Bolts, fit Shimano, FSA Gaint"
brand: "bucklos"
price: "€ 92.56"
currency: EUR
in_stock: true
reviews_count: 5
category: "Bucklos"
url: https://www.desertcart.pt/products/507286876-bucklos-104-bcd-32t-34t-36t-38t-mountain-bike-170mm
store_origin: PT
region: Portugal
---

# 104mm BCD narrow-wide chainring 637g lightweight aluminum alloy 170mm crank arm length BUCKLOS 104 BCD 32T 34T 36T 38T Mountain Bike 170mm Crankset, Aluminum Alloy MTB Crank Set Round Oval Narrow Wide Chainring Bottom Bracket Bolts, fit Shimano, FSA Gaint

**Brand:** bucklos
**Price:** € 92.56
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your ride with precision power and style!

## Quick Answers

- **What is this?** BUCKLOS 104 BCD 32T 34T 36T 38T Mountain Bike 170mm Crankset, Aluminum Alloy MTB Crank Set Round Oval Narrow Wide Chainring Bottom Bracket Bolts, fit Shimano, FSA Gaint by bucklos
- **How much does it cost?** € 92.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/507286876-bucklos-104-bcd-32t-34t-36t-38t-mountain-bike-170mm)

## Best For

- bucklos enthusiasts

## Why This Product

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

## Key Features

- • **Fast US Shipping:** Ships from 2 US warehouses with 2-4 day delivery via USPS/UPS—no waiting, just riding
- • **Lightweight Durability:** Crafted from AL6061 & 7075-T6 aluminum for strength without bulk
- • **Complete Installation Kit:** Includes crank, chainring, bottom bracket, bolts & tools for hassle-free upgrade
- • **Versatile Chainring Options:** Choose from 32/34/36/38T, round or oval, narrow-wide teeth for optimal chain retention
- • **Precision Fit & Compatibility:** Fits 7-12 speed chains & Shimano/FSA/Giant models seamlessly

## Overview

The BUCKLOS 104 BCD Mountain Bike Crankset is a high-strength, lightweight aluminum alloy drivetrain upgrade designed for 7-12 speed chains. Featuring a 170mm crank arm, narrow-wide chainrings in multiple tooth counts and shapes, and compatibility with Shimano, FSA, and Giant models, it delivers smooth, frictionless pedaling. With fast US-based shipping and a complete installation kit, it’s the perfect choice for millennial riders seeking performance and style.

## Description

【Specifications】 Crank description: Crank Arm length: 170mm Color:Black/Red/Blue/Gold/Green/Purple Material: AL6061 aluminum alloy Compatible: Single/Double/Triple chainrings; for 7/8/9/10/11/12S chains Bolt Center Diameter: 104mm BCD Weight: about 637g (right & left) Advantages: light weight,stylish appearance,very cool,high strength axle,strong compatibility Chainring description: Type: Single speed Color: Black,Red Material: Aluminum alloy 7075-T6 Bolt Center Diameter: 104mm BCD Teeth: 32/34/36/38T (Round/Oval,optional) Thickness: 4mm (1.9mm Narrow, 3.7mm Wide) Compatible with: 7/8/9/10/11/speed chains (for Shimano/SRAM/FSA crank) Bottom Bracket description: Size: 41*24*24mm( threaded) Spindle/Bearing inner diameter: 23.79mm B.B BSA: 68-73mm Fit BB shell inner diameter: 1.37in x 24 TPI Spindle Interface Type: Hollowtech II Chain line: 48.5mm Bearings: Sealed (3 spacers included) Hollow axle, one piece external bottom bracket for MTB/Road bike,folding bike refitting Suit for Shimano, FSA compatible. Giant ATX770 ATX770-D XTC750 and so on 【US STOCK】 We have 2 US warehouses, We will ship directly from the US Stock The product will be expedited freely delivered to you about 2-4 business days that shipped by "USPS/UPS". Package Includes:(Boxed) 1 x one crank 1 x one Chainring 1 x Bottom Bracket 4 x Chainring bolts(set) 1 x M15 crank screw 1 x Crankset bolt Allen Wrench Note: 1.Due to the problem of taking pictures, the Crankset may look slightly different in color, please refer to the actual object received.

Review: Replaced my square taper with this. It's such an upgrade. Easy to work on. Smooth, frictionless spinning. Ideal crank size and decent chainring. And if I want to upgrade or switch something, I can easily swap this with another or even put it on another bike.
Review: For the price of this crankset i was skeptical. However after installation i have zero doubts. Crankset is very tight and had no play. Definitely would recommend. Located in Canada, may 2024.

## Features

- 【US STOCK】We have 2 US warehouses, We will ship directly from the US Stock, The product will be expedited freely delivered to you about 2-4 business days that shipped by "USPS/UPS"
- 【Material】Crank and Chainring Made of aluminum alloy, light weight, stylish, flashy styling, high axial strength and compatibility
- 【Crank】:104/64mm.Crank Arm length 170mm, Crank related holes distance 74m,fit 7-12S chains Single/Double/Triple Speed Chainring
- 【Chainring】Single speed narrow wide 104mmBCD,32/34/36/38T,Round /Oval,Black/Red,Thickness 4mm (1.9mm Narrow, 3.7mm Wide)
- 【Bottom Bracket】 68-73mm BSA,suit for Shimano, FSA compatible. Giant ATX770 ATX770-D XTC750 and so on.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09J83WW85 |
| Batteries Included? | No |
| Brand | BUCKLOS |
| Color | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (149) |
| Date First Available | 16 October 2022 |
| Item model number | JUKU1 |
| Manufacturer | BUCKLOS |
| Material Type | aluminum |
| Package Dimensions | 26.11 x 16.51 x 11.71 cm; 989 g |
| Size | 32T-Round |

## Images

![BUCKLOS 104 BCD 32T 34T 36T 38T Mountain Bike 170mm Crankset, Aluminum Alloy MTB Crank Set Round Oval Narrow Wide Chainring Bottom Bracket Bolts, fit Shimano, FSA Gaint - Image 1](https://m.media-amazon.com/images/I/61dBwhE3gWL.jpg)
![BUCKLOS 104 BCD 32T 34T 36T 38T Mountain Bike 170mm Crankset, Aluminum Alloy MTB Crank Set Round Oval Narrow Wide Chainring Bottom Bracket Bolts, fit Shimano, FSA Gaint - Image 2](https://m.media-amazon.com/images/I/61qfEuqRidL.jpg)
![BUCKLOS 104 BCD 32T 34T 36T 38T Mountain Bike 170mm Crankset, Aluminum Alloy MTB Crank Set Round Oval Narrow Wide Chainring Bottom Bracket Bolts, fit Shimano, FSA Gaint - Image 3](https://m.media-amazon.com/images/I/71KJcYWRnrL.jpg)
![BUCKLOS 104 BCD 32T 34T 36T 38T Mountain Bike 170mm Crankset, Aluminum Alloy MTB Crank Set Round Oval Narrow Wide Chainring Bottom Bracket Bolts, fit Shimano, FSA Gaint - Image 4](https://m.media-amazon.com/images/I/71MTo+fpA9L.jpg)
![BUCKLOS 104 BCD 32T 34T 36T 38T Mountain Bike 170mm Crankset, Aluminum Alloy MTB Crank Set Round Oval Narrow Wide Chainring Bottom Bracket Bolts, fit Shimano, FSA Gaint - Image 5](https://m.media-amazon.com/images/I/71eiyiWc+yL.jpg)

## Questions & Answers

**Q: How can i tell if this fits my mountain bike?**
A: You need to make sure your frame has a BSA (also known as a threaded) bottom bracket..Note that this crank is a 170mm size and the length of the crank is chosen according to personal habits.

**Q: Can a second chain ring be installed?**
A: Yes, this crankset can accommodate 1, 2, or 3 chainrings.

**Q: How do you orient the chainring on the crank arm?**
A: One the crank arm attaches to the chainring and then to the bottom bracket bolt the other crank arm attaches to the bottom bracket bolt on the other side one arm points up the othe points down direct opposite see less.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by B***T on 6 December 2025*

Replaced my square taper with this. It's such an upgrade. Easy to work on. Smooth, frictionless spinning. Ideal crank size and decent chainring. And if I want to upgrade or switch something, I can easily swap this with another or even put it on another bike.

### ⭐⭐⭐⭐⭐ Review
*by G***R on 4 May 2024*

For the price of this crankset i was skeptical. However after installation i have zero doubts. Crankset is very tight and had no play. Definitely would recommend. Located in Canada, may 2024.

### ⭐⭐⭐⭐⭐ Review
*by A***S on 9 November 2025*

I purchased and installed this on my ozark trail G1 explorer gravel bike. Bought the oval chainring version and its working out amazingly well

## Frequently Bought Together

- BUCKLOS IXF 104 BCD 30T-38T 170MM Mountain Bike Crankset, Hollow Integrated MTB Crank Set, Aluminum Alloy Crankset Round Oval Narrow Wide Chainring with Bottom Bracket Bolts Fit Shimano/FSA Gaint
- Oumers Bike Crank Extractor/Arm Remover and Bottom Bracket Remover with 16mm Spanner/Wrench. Professional Bicycle Repair Tool Kit
- DECKAS Bicycle Multifunctional BB Wrench Bottom Bracket Tool

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-01-31*