

⚙️ Master your ride with precision — the tool every cycling pro swears by!
The Park Tool BBT-79.3 is a CNC-machined, 12-notch bottom bracket tool designed for professional-grade installation and removal of SRAM DUB, Cinch, Rotor BSA30, and other compatible bottom brackets. Lightweight and ergonomically ribbed for superior grip, it delivers precise torque without slippage or damage, making it an essential tool for serious cyclists and bike mechanics.











| ASIN | B09VYB1PWQ |
| Best Sellers Rank | #33,923 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #69 in Bike Shop Tools |
| Brand Name | Park Tool |
| Color | Multicoloured |
| Customer Reviews | 4.7 4.7 out of 5 stars (186) |
| Drive System | Centre Drive |
| Folded Size | 1.5" x 1.5" x 3" |
| Included Components | Power tools |
| Item Dimensions | 2.17 x 2.17 x 1.5 inches |
| Item Type Name | Power tools |
| Item Weight | 62 Grams |
| Manufacturer | PARK TOOL |
| Manufacturer Part Number | BBT-79.3 |
| Manufacturer Warranty Description | Limited Warranty |
| Material Type | Aluminum |
| Model Number | BBT-793 |
| Number of Pieces | 1 |
| UPC | 763477001641 |
H**O
Good tool
Worked perfectly, I was able to remove the bottom bracket with no issues.
G**D
Get This Tool
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.
M**Y
perfect park quality but at park prices
Needed yet another bottom bracket tool as this time was putting on threaded bsa sram dub bottom bracket. 12 tooth tool, fit perfect, no slipping when torque wrench set to recommended 50 setting.
S**B
Also the correct tool for SRAM DUB BSA 24 notch external spline BB
Fits SRAM DUB BSA 24 (yes twenty four) notch external spline bottom brackets perfectly. Attaches directly to the torque wrench. No issues loosening or tightening BBs, but haven’t used on any that are really stuck on so can’t attest to really cracking on it, but build quality seems good so I wouldn’t hesitate to try.
A**R
Quality construction
Perfect tool for the job.
D**D
Add it to your collection of bike tools
Another quality tool from Park Tool; well-built
W**R
The right tool but fits loose
This tool worked okay to replace my BSA bottom bracket. While this was the correct tool for the job, the fit over the bottom bracket was loose and I had to be very careful not to slip the tool while remove and installing the BB. I don't think this is really the fault of the tool and more of the 12-notch standard and slightly rounded shape of the BB. The tool is pricy compared to other no name brands and I am not convinced it worked any better.
D**S
Perfect fit and high quality.
This tool is durable and made of high quality materials. Use is intuitive and the price is great!
R**B
Quality tool but it is expensive. You get what you pay for…unless it’s a montblanc pen refill!
M**D
Great tool from a great company!
S**R
Makes removing DUB BBs a cinch.
B**H
Sauber gearbeitetes Werkzeug mit Gewinde für das Anbringen einer "Abrutschhilfe" - BBT-RS Haltesystem.
S**L
Please Note: - Some of the reviews here quote Sram Dub Torque specs of "50nm" for this tool..(and showing a damaged tool) THIS IS INCORRECT - that torque rate relates to the Crank Bolt and NOT THE Bottom Bracket Cups that this tool is for. The BB Cups have a much lower 35-40nm spec (NOT 50+nm) - This tool is fine so long as you use the right torque specs for your Bottom Bracket - Please review the documentation that relates to your Bottom Bracket model and check your specific torque recommendations.
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