---
product_id: 445725621
title: "Park Tool BBT-79.3 12-Notch Bottom Bracket Tool — Fits SRAM DUB, Cinch, Rotor BSA30, etc."
brand: "park tool"
price: "€ 55.87"
currency: EUR
in_stock: true
reviews_count: 13
url: https://www.desertcart.pt/products/445725621-park-tool-bbt-79-3-12-notch-bottom-bracket-tool
store_origin: PT
region: Portugal
---

# 12-notch clip-on key design CNC-machined precision fit Fits SRAM DUB, Cinch, Rotor BSA30 Park Tool BBT-79.3 12-Notch Bottom Bracket Tool — Fits SRAM DUB, Cinch, Rotor BSA30, etc.

**Brand:** park tool
**Price:** € 55.87
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your bike maintenance game with precision and power!

## Quick Answers

- **What is this?** Park Tool BBT-79.3 12-Notch Bottom Bracket Tool — Fits SRAM DUB, Cinch, Rotor BSA30, etc. by park tool
- **How much does it cost?** € 55.87 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/445725621-park-tool-bbt-79-3-12-notch-bottom-bracket-tool)

## Best For

- park tool enthusiasts

## Why This Product

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

## Key Features

- • **Ergonomic Grip:** Grippy side ribbing offers superior control and torque, making installation and removal effortless.
- • **Precision Perfected:** CNC-machined aluminum ensures a flawless fit every time, eliminating slippage and wear.
- • **Pro-Grade Efficiency:** Designed for professional-grade bottom bracket tool holders with 12 notches and metric threading.
- • **Durable & Lightweight:** Anodized aluminum construction balances strength with a featherlight 62g weight for easy handling.
- • **Universal Compatibility:** Engineered to work seamlessly with SRAM DUB, Cinch, Rotor BSA30, and other 12-notch bottom brackets.

## Overview

The Park Tool BBT-79.3 is a CNC-machined, anodized aluminum bottom bracket tool designed for professional cyclists and mechanics. Featuring a 12-notch clip-on key and grippy side ribbing, it fits SRAM DUB, Cinch, Rotor BSA30, and other compatible bottom brackets, delivering precise, durable, and ergonomic performance for efficient installation and removal.

## Description

Bicycle bottom brackets occasionally require removal for service, replacement, or upgrading. The Park Tool
is a precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with
tool fittings, including SRAM BSA DUB, Race Face Cinch, Rotor BSA30, and others. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive.  The BBT-79.3 features integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately). The BBT-RS uses an adjustable spring-based tension system to apply consistent, adjustable pressure to the tool, ensuring full engagement with the tool fitting and preventing slippage.  Fits 12-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of
and a minor diameter (inside of notches) of
, including:
SRAM BSA DUB
Race Face Cinch
Rotor BSA30
Zipp Vuma
Hawk Racing BB3086
and more
Confused by what bottom bracket tool you need? You're not alone. Between all the standards, installation methods, and tool fittings, it can all seem a bit overwhelming. Whatever you
need, Park Tool makes over
to aid in the removal and installation of bottom brackets. Here's how to determine the correct tool for you, if you have an threaded or thread-together bottom bracket:
Remove the crank and inspect the bottom bracket shell for
, which can be notches or indentations on the outer perimeter, splines on the inside perimeter, or pin holes on the face.
the number of tool fittings on the cup.
Next use a caliper to measure the
or width of the tool fittings. For external notches, simply measure the outer diameter of the bottom bracket cup or adapter. Take the measurement in millimeters.
The BBT-79.3 is for
tool fittings with a major diameter of
. Here are some tools we offer for this and a few similar tool fittings:
Since our origins in the back of a bike shop in 1963, it has been Park Tool's sole mission to design and manufacture high-quality tools that empower mechanics and riders of all skill levels to service their bicycles. Just like our other 500+ tools, our bottom bracket tools are a product of our decades of experience and expertise in the industry, in the shop and on the trail.

## Features

- CNC-machined precision tool with excellent fit
- Clip-on key for bearing shells with 12 notches
- For installing and removing BB bottom brackets
- Suitable for bottom bracket tool holders with 12 notches and threads with a main diameter
- Grippy side ribbing
- Large diameter 45-47 mm Small diameter 44 mm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B09VYB1PWQ |
| Best Sellers Rank | #32,612 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #60 in Bike Shop Tools |
| Brand Name | Park Tool |
| Color | Multicoloured |
| Customer Reviews | 4.6 4.6 out of 5 stars (210) 4.6 out of 5 stars |
| Finish Types | Anodized |
| Head Style | Square Tip with 12 Notches |
| Included Components | Power tools |
| Item Length | 9 inches |
| Item Type Name | Power tools |
| Item Weight | 62 g |
| Manufacturer | PARK TOOL |
| Manufacturer Part Number | BBT-79.3 |
| Manufacturer Warranty Description | Limited Warranty |
| Material Type | Aluminum |
| Measurement Standard | Metric |
| Model Number | BBT-793 |
| Number Of Items | 1 |
| Package Quantity | 1 |
| Upc | 763477001641 |

## Product Details

- **Brand:** Park Tool
- **Color:** Multicoloured
- **Item Length:** 9 inches
- **Item Weight:** 62 g
- **Material:** Aluminum

## Images

![Park Tool BBT-79.3 12-Notch Bottom Bracket Tool — Fits SRAM DUB, Cinch, Rotor BSA30, etc. - Image 1](https://m.media-amazon.com/images/I/51Kwmeavi1L.jpg)
![Park Tool BBT-79.3 12-Notch Bottom Bracket Tool — Fits SRAM DUB, Cinch, Rotor BSA30, etc. - Image 2](https://m.media-amazon.com/images/I/51raB7s9xXL.jpg)
![Park Tool BBT-79.3 12-Notch Bottom Bracket Tool — Fits SRAM DUB, Cinch, Rotor BSA30, etc. - Image 3](https://m.media-amazon.com/images/I/61r7T2OAizL.jpg)
![Park Tool BBT-79.3 12-Notch Bottom Bracket Tool — Fits SRAM DUB, Cinch, Rotor BSA30, etc. - Image 4](https://m.media-amazon.com/images/I/61lDORMhEIL.jpg)
![Park Tool BBT-79.3 12-Notch Bottom Bracket Tool — Fits SRAM DUB, Cinch, Rotor BSA30, etc. - Image 5](https://m.media-amazon.com/images/I/61eiblomedL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great tool
*by  on Reviewed in the United States April 29, 2026*

Worked great for my sram dub 73mm BB.

### ⭐⭐⭐⭐⭐ Good tool
*by  on Reviewed in the United States August 6, 2026*

It's park quality.

### ⭐⭐⭐⭐⭐ Get This Tool
*by  on Reviewed in the United States February 18, 2026*

I don't normally take the time to review a tool, but this bottom bracket tool works so well on a SRAM DUB BSA. No slop, no scratching the cups, it just works and lets me torque the cups down properly without weird angles like the open ended and closed end wrench style tools have.

## Frequently Bought Together

- Park Tool BBT-79.3 12-Notch Bottom Bracket Tool — Fits SRAM DUB, Cinch, Rotor BSA30, etc.
- Park Tool TW-6.2 Ratcheting Torque Wrench 10-60Nm Drive Tool 3/8-Inch
- Park Tool HPG-1 High Performance Grease Tool 113 g,Blue, Bule

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**Shop now:** [https://www.desertcart.pt/products/445725621-park-tool-bbt-79-3-12-notch-bottom-bracket-tool](https://www.desertcart.pt/products/445725621-park-tool-bbt-79-3-12-notch-bottom-bracket-tool)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-10-09*