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Ztto Bb91 Bicycle Bottom Bracket Sealed Bearing Thread Type 68 73 Bsa68 Shell 24mm Spline Axis Wrench Mtb Road Bike Waterproof -

Ztto Bb91 Bicycle Bottom Bracket Sealed Bearing Thread Type 68 73 Bsa68 Shell 24mm Spline Axis Wrench Mtb Road Bike Waterproof -

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Estimated Delivery Time: 9-25 days

Color	BB91-Black BB91-Black tool BB91-Blue BB91-Blue tool BB91-Gold BB91-Gold tool BB91-Green BB91-Green tool BB91-Purple BB91-Purple tool BB91-Red BB91-Red tool
BB91-Black BB91-Black tool BB91-Blue BB91-Blue tool BB91-Gold BB91-Gold tool BB91-Green BB91-Green tool BB91-Purple BB91-Purple tool BB91-Red BB91-Red tool

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Item specifics

Brand Name ZTTO
Origin Mainland China
Use Road Bicycles
Material Aluminum/Alloy
Model Number BB91
Process CNC Precision Machining
Color Red Black
Use Mountain Bike Road Bike
Suit for 68mm-73mm

Product Description

ZTTO BB91 EXTERNAL BEARING BOTTOM BRACKETS

It has alloy cups, anodized in Dark & Red. Design optimizes bearing load, minimizes drag, keep your cranks turning smoothly.

Color: Black / Red

Process: CNC Precision Machining

Material: AL7075 aluminum +PE hose

Weight: Around 97.1g

Crankset: For / ZTTO φ24/24mm
Bearing Specification: 6805

Tool: 44mm, 16-notch

Bicycle Frame:

For 68mm/73mm φ34.798mm 1.37 in x 24 TPI Frame Shell

Pay attention to the width and diameter of the frame

It comes in English threading only and will fit 68mm or 73mm bottom bracket shells (spacers included for 73mm). It's compatible with all 24mm axle cranksets.

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