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🔧 Master your ride with the ultimate bottom bracket wrench—because precision is power!
The Park Tool BBT-29 is a dual-ended bottom bracket wrench designed for professional cyclists and mechanics. It fits 16-notch bearing cups with diameters of 39mm and 48.5mm, compatible with Shimano Dura-Ace 9000, XTR 980, and FSA MegoEvo series. Lightweight and durable, it offers precise engagement and torque application, backed by Park Tool’s limited lifetime warranty.












| Asin | B00DX5X48E |
| Best Sellers Rank | #355,566 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #1,141 in Bike Shop Tools |
| Brand Name | Park Tool |
| Color | Silver |
| Customer Reviews | 4.7 4.7 out of 5 stars (276) 4.7 out of 5 stars |
| Finish Types | Natural |
| Global Trade Identification Number | 00763477000583 |
| Head Style | Fixed Square |
| Included Components | Bottom Bracket Tools |
| Item Length | 39 millimeters |
| Item Type Name | Tool |
| Item Weight | 0.22 kg |
| Manufacturer | Park Tool |
| Manufacturer Part Number | QKBBT29 |
| Manufacturer Warranty Description | Limited Lifetime Warranty - see Parktool.com/warranty for details |
| Material Type | Multi |
| Model Number | QKBBT29 |
| Operation Mode | Mechanical |
| Package Quantity | 1 |
| Unit Count | 1 Count |
| Upc | 784427871299 763477000583 757183513611 |
User
Nice piece, but it didn't work for me.
I bought this to tighten the bottom bracket that came with my Shimano 105 R7000 setup. Although the dimensions seemed to be right, it didn't fit. It looks like a nice quality tool though. I don't fully understand the bottom bracket sizing and how to make them work.. Anyway I just ended up getting an ultegra BB from a friend, and borrowing the appropriate tool from him to tighten it. Note: this tool didn't fit the ultegra BB either. Maybe Park Tool can come up with a guide or chart on what tool to use with what BB? Maybe someone has already done that? I don't know....
User
Good BB tool
One of many BB standards...so check your size. This one works great, serves its purpose, no complaints.
User
Buen producto
Gran calidad como lo de park tool
User
Great tool
Very useful tool, it's sturdy and its build with good materials and good quality.I'm happy with this tool.
User
Almost Perfect
Park makes good stuff, and this is no exception. It’s the right tool for installing 30mm threaded bottom bracket cups. As another reviewer noted, it could be a bit thicker — if I were to design this tool, the big end would look a little more like a socket rather than a flat wrench. That said, it is well machined and won’t slip if you’re somewhat careful using it.
User
Strong and works
I already had the BBT-9, but needed a strong tool for the other size of HollowTech II bottom brackets. This is very strong and works great for those stuck on bottom brackets. Between this tool and the BBT-9 I can remove my Hollow Tech II Bottom Brackets. I am not clear why allHollowTech II BB are not the same size.... but this tool is great!!
User
It works
It's park tool and it works plus it fits the old 24mm external shells along with the 30mm shells.
User
Good quality as usual from Park
Good quality as usual from Park
User
Buena calidad
Robusta y de buena calidad
User
Park Tool - Robuste Qualität
Schwere und präzise Ausführung!Etwas scharfkantig - die Verarbeitung müsste für den Preis besser sein!
User
Fits New Shimano BB R9100
Nice quality of spanner. Found it cheapest and quickest delivery here on Amazon although I usually stick to bike shops for bike things. I was searching for an easy installation solution for the new style smaller bottom brackets from Shimano.The small side of this fits the new style (2018/19) Shimano groupset - R9100 - Bottom Bracket without having to use an adapter (FC24). The FC24 adapter does not all BB tools so watch out.Just for info - the large side is too big for the Ultegra 6800 and the 6800 BB adapter (FC25) is too big to press in to this spanner.I'm sure I might use the large end of the spanner one day with another brand of BB.
User
Ok
Lynskey GR270 bottom bracket tool
User
Ottima
funziona e fa quello che deve.
Trustpilot
5 days ago
2 months ago