[Compatibility: 16 notch outer diameter 1.5 inches (39 mm) & 1.9 inches (48.5 mm) external dimensions]
[Compatibility: 16 notches outer diameter 1.7 inches (44 mm) external type]
[Compatibility: 6 notch star cartridge type]
The Park Tool BBT-4 Bottom Bracket Tool is made to install and remove the 6 Notch SC-S and AC-H Cartridge Cups used for bike bottom brackets on sealed cartridges.These bottom brackets have 6 notches on the outside of each cup.BBT-4 handles are vinyl coated for comfort.The long diameter of the tool is nominal 44 mm, and the short diameter is 38 mm.
The BBT-4 is compatible with the following sealed cartridge bottom brackets: Campagnolo, Veloce, Xenon, Milage, Daytona, and Avanti.
Unsure which bottom bracket tool you need? Youre not alone.All standards, installation methods, tools installation, etc., all may seem a little overwhelmingThe Park Tool offers over 40 tools to help you remove and install the bottom brackets.If you have a threaded or threaded bottom bracket, then you can determine the proper tool is as follows:
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Counting Splines/NotchesRemove the crank and test the bottom bracket shell for tool fitting.This includes perimeter notches and dimples, inner splines or face pin holes.Counts the number of tool fittings on the cup |
Measure DiameterNext, use a pair of nails to measure the diameter or width of the tool fitting.For an external notch, simply measure the outer diameter of the cup or adapter on the bottom bracket.Measures in millimeters. |
Select ToolBBT-4 is for 6 notches and 44mm tool fittings.This is why we provide several tools and a few similar tool fittings. |
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Park Tool BBT-4 | Park Tool HCW-5 | Park Tool BBT-18 | Park Tool BBT-9 | |
Customer Reviews |
4.5 out of 5 stars
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4.5 out of 5 stars
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Price | ¥1,810¥1,810 | ¥3,245¥3,245 | ¥3,778¥3,778 | ¥4,810¥4,810 |
Tool Fitting | 6 notches | 3/4/6/8 Notches | 8 notches | 16 Notches |
Outside Dia. | 43mm | 44-46mm | 40-45mm | 44mm |
Signature Brands and Models | Campagnolo and other cartridges bottom bracket | Most Cups & Cone Locking Rings with Outer Diameter 44 to 46mm | Shimano Octa-Link Right Cup with External Notches and ISIS Drive | Shimano (including BB80, BB5700, XT BB70, BB51), Campagnolo, SRAM/Truvativ GXP, Chris King, FSA MegaExo, Hope, Race Face X-type, Surly, Wheels Mfg, Fulcrum, Some Disc Brake Lock Rings |