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Bike storesComponentsBottom Brackets

Generic · Threaded Bottom Brackets

Steel Cup Sealed Cartridge Bottom Bracket 68 x 116 mm

A straightforward sealed square-taper replacement for 68 mm threaded frames.

$34.99

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68 mm
Bottom bracket shell
116 mm
Axle length
BC 1.37 x 24T L/R
Thread standard
Boron steel
Axle material

Overview

A practical choice for anyone replacing a worn square-taper bottom bracket on a 68 mm English-threaded frame and wanting a cost-conscious sealed cartridge solution.

This bottom bracket is a sealed square-taper cartridge designed for frames with a 68 mm bottom bracket shell and BC 1.37 x 24T English threading on both sides. The 116 mm axle suits compatible square-taper cranksets, making it a sensible replacement when an existing cartridge is worn or requires servicing.

The steel cup-and-tube body and boron steel axle provide a hard-wearing construction for everyday riding, commuting and practical MTB use. The enclosed bearing assembly helps keep the replacement neat and straightforward, while the phosphated cups and black axle finish complete a functional, no-nonsense part.

Before ordering, check your frame shell width, thread standard, crank interface and required axle length. This is a replacement bottom bracket for square-taper cranks; it is not intended for HollowTech II, press-fit or other crank interfaces.

Sealed cartridge design

The enclosed bearing assembly provides a straightforward replacement format for compatible frames and square-taper cranksets.

68 mm shell fit

Sized for frames with a 68 mm bottom bracket shell, subject to matching the specified English thread.

116 mm axle

The 116 mm axle length suits cranksets that require this specific square-taper spindle measurement.

BC 1.37 x 24T threading

Uses the specified English frame-shell thread with left- and right-hand threaded cups.

Square-taper interface

Designed for compatible square-taper cranks rather than external-bearing or press-fit systems.

Boron steel axle

The steel spindle uses boron steel for the specified robust axle construction.

Steel cup and tube body

Steel construction offers a practical, durable choice for everyday replacement and repair work.

Two enclosed bearings

Uses two bearings measuring 31 x 16 x 10 mm for the cartridge assembly.

Ask about this product

Specifications

General

Product type
Cartridge, MTB
Model
KL-08A
Design
Sealed bottom bracket
Axle length
116 mm

Materials & construction

Cup and tube
Steel
Axle
Boron steel
Cup finish
Phosphated
Axle finish
Black

Dimensions & weight

Bottom bracket shell width
68 mm
Bearing size
31 x 16 x 10 mm
Bearings
2 pcs

Compatibility

Frame shell thread
BC 1.37 x 24T, left/right-hand threaded
Crank interface
Square taper

Technology

Sealed cartridge design

The bearing assembly is enclosed in a cartridge format for a straightforward replacement bottom bracket solution.

Boron steel axle

The axle uses boron steel for the specified steel spindle construction.

Phosphated steel cups

Phosphated cups provide the specified treated finish for the threaded steel cup assembly.

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