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The Park Tool BBT-79.3 is a CNC-machined, anodized aluminum bottom bracket tool designed for 12-notch bearing shells with diameters between 44mm and 47mm. Featuring a grippy ribbed handle and clip-on key design, it offers professional-grade precision and durability for installing and removing bike bottom brackets. Trusted by cycling enthusiasts and mechanics alike, it ensures accurate torque application when used with proper specs.

| ASIN | B09VYB1PWQ |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 16,694 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 91 in Hand Tools (Sports & Outdoors) |
| Colour | Multicoloured |
| Customer Reviews | 4.6 4.6 out of 5 stars (172) |
| Date First Available | 16 Mar. 2023 |
| Finish | Anodized |
| Folded knife size | 1.5" x 1.5" x 3" |
| Included Components | Bottom Bracket Tool, possibly with 12 additional tool components (unspecified) |
| Item Package Quantity | 1 |
| Item Weight | 62 g |
| Item model number | BBT-793 |
| Manufacturer | PARK TOOL |
| Material | Aluminium |
| Number of Pieces | 1 |
| Part Number | BBT-79.3 |
| Power Source | ac |
| Product Dimensions | 5.5 x 5.5 x 3.81 cm; 62 g |
| Size | One Size |
R**B
Top notch quality tool
Quality tool but it is expensive. You get what you pay for…unless it’s a montblanc pen refill!
S**L
TORQUE SPECS FOR THIS TOOL NOTICE
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.
A**R
It works as expected
IT works as expected... Surely that should be a 3 star review... it does the job well but doesn't make a brew as well! ;)
K**N
It's Park Tool.
Expensive considering how rarely it will be used, but of the usual high quality from Park Tool. I'm happy to pay a bit more rather than risk damage to an expensive bike.
N**Z
Brilliant, wish I had bought in the first place
Don't get any of the other rubbish tools here on Amazon they're just awful. Parktool tools just work and they're expensive but will save you a lot of money
E**N
Park Tools & MTB tool = Utter Garbage
Garbage of the 'HIGHEST' order. A 'machined aluminium' socket tool that is softer than the bottom bracket it is removing? Marzipan would make a better tool than this ... utter garbage! I have automotive tools from 30 years ago that still are like new and 'actually work'! The BB socket deformed on very first use. As an engineer that has built car engines that have done +150mph, it always utterly amazes me that the mtb community think that Park Tools are something special? Whey are all mtb tools excessively overpriced and next to useless? Yet the internet is afloat with mtb influencers that underline how good Park Tools are? Buy decent car tools ... better quality, half the price and 'will' last you a lifetime - not just one use. Advice - steer clear of mtb tools .. especially this Park Tool item!
S**N
Sram bottom bracket tool
Again this need a redesign as it slips off and you injure yourself hahaha not funny it hurt
M**D
Great tool from a great company!
S**R
Makes removing DUB BBs a cinch.
M**Y
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.
B**H
Sauber gearbeitetes Werkzeug mit Gewinde für das Anbringen einer "Abrutschhilfe" - BBT-RS Haltesystem.
A**R
Perfect tool for the job.
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