---
product_id: 502632562
title: "Bike Cranksets 170mm Hollow Integrated 104BCD Single Speed Round Chainring 34T/36T MTB Crankset with Bottom Bracket"
brand: "bolany"
price: "€ 63.57"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/502632562-bike-cranksets-170mm-hollow-integrated-104bcd-single-speed-round-chainring
store_origin: IE
region: Ireland
---

# BB91 Threaded Bottom Bracket - smooth, noise-free pedaling Hollow Integrated 170mm Crank Arm - max power transfer 7075 T6 Aluminum Alloy - ultra durable & lightweight Bike Cranksets 170mm Hollow Integrated 104BCD Single Speed Round Chainring 34T/36T MTB Crankset with Bottom Bracket

**Brand:** bolany
**Price:** € 63.57
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Ride Light, Ride Fast, Ride Bold with BOLANY!

## Quick Answers

- **What is this?** Bike Cranksets 170mm Hollow Integrated 104BCD Single Speed Round Chainring 34T/36T MTB Crankset with Bottom Bracket by bolany
- **How much does it cost?** € 63.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/502632562-bike-cranksets-170mm-hollow-integrated-104bcd-single-speed-round-chainring)

## Best For

- bolany enthusiasts

## Why This Product

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

## Key Features

- • **Optimized Power Transfer:** Hollow integrated crank arm design reduces weight while maximizing direct force to the pedals.
- • **Built to Endure Every Trail:** Chrome Molybdenum Steel shaft and heat-treated surfaces guarantee long-lasting stability and reliability.
- • **Customizable & Future-Ready:** Removable high-strength chainring lets you easily upgrade or retrofit your setup without hassle.
- • **Seamless Pedaling Experience:** BB91 bottom bracket with high-lubricity bearings delivers whisper-quiet, ultra-smooth rotations—ride like a pro.
- • **Precision Engineered for Peak Performance:** CNC-machined 7075 T6 aluminum ensures unmatched strength and featherlight weight for every ride.

## Overview

The BOLANY SEER 2.0 Bike Crankset combines aerospace-grade 7075 T6 aluminum with a hollow integrated 170mm crank arm and a BB91 threaded bottom bracket featuring high-lubricity bearings. Designed for both MTB and road bikes, it offers a lightweight (approx. 900g), durable, and smooth pedaling experience with a removable 34T/36T single speed chainring. Engineered for professional riders seeking precision, power, and reliability on every ride.

## Description

BOLANYBike Cranksets 170mm Hollow Integrated 104BCD Single Speed Round Chainring 34T/36T MTB Crankset with Bottom Bracket

## Features

- Material: Crafted from 7075 T6 Aluminum Alloy, this crankset offers durability and precision. Its Aluminum Alloy crank arm and chainring ensure smooth shifting and precise tooth shapes. The removable high-strength chainring allows for easy retrofitting, while the Chrome Molybdenum Steel shaft enhances stability.
- Specifications: With a 170mm Crank arm, 104BCD, and a Hollow Integrated design, this crankset includes a BB91 threaded bottom bracket and crank dust cap for added protection. The crank dust cover shields the crank effectively. Its wide and narrow tooth single speed round chainring provides reliability. The total weight is approximately 900g.
- Bottom Bracket: The BB91 threaded bottom bracket is suitable for 68-73mm bottom bracket MTBs and road bikes. It features built-in high-lubricity bearings, ensuring smooth pedaling and noise reduction. Additionally, it comes with three aluminum alloy gaskets.
- Internal Weight Reduction: Designed with internal weight reduction techniques, these cranks are lighter, providing enhanced efficiency. Multiple threads secure the components, resulting in a more direct crank force. The CNC machining process and surface heat treatment forging contribute to higher strength.
- BOLANY COMPANY NEW RELEASES: BOLANY, known for providing cyclists worldwide with satisfactory forks and cassettes, now introduces a range of bike cranksets to complement their line of accessories.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Package Dimensions L x W x H | 11.02 x 6.89 x 6.77 inches |
| Package Weight | 1.28 Kilograms |
| Item Weight | 1.28 Kilograms |
| Brand Name | BOLANY |
| Warranty Description | 1 |
| Model Name | SEER |
| Color | 36T |
| Material | Aluminum |
| Suggested Users | unisex-adult |
| Manufacturer | BOLANY |
| Part Number | SEER 2.0 |
| Included Components | Bike Cranksets, Bottom Bracket, Single Chainring |
| Size | 34T/36T |

## Images

![Bike Cranksets 170mm Hollow Integrated 104BCD Single Speed Round Chainring 34T/36T MTB Crankset with Bottom Bracket - Image 1](https://m.media-amazon.com/images/I/71MIRcd9KvL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.ie/products/502632562-bike-cranksets-170mm-hollow-integrated-104bcd-single-speed-round-chainring](https://www.desertcart.ie/products/502632562-bike-cranksets-170mm-hollow-integrated-104bcd-single-speed-round-chainring)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-17*