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Shimano BB-UN300 Square Type Bottom Bracket 68x127.5mm

Brand: Shimano

SKU: 19GHD6A3

$23.00 Full price

$23.00

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Product Details

Description

Shimano quality/performance cartridge bearing square bottom bracket Tourney TX800 series. Fits 68mm bottom bracket shells, axle length 127.5mm.

Key Features

Durable cartridge bearing design
Fits 68mm bottom bracket shells
Axle length of 127.5mm
Compatible with Tourney TX800 series
Smooth performance for reliable cycling

Specifications

Product Overview

Product

Shimano BB-UN300 Square Type Bottom Bracket 68x127.5mm

Brand

Shimano

Supplier SKU

EBBUN300B27B

Frequently Asked Questions

What is the Shimano BB-UN300 Square Bottom Bracket used for?

The Shimano BB-UN300 Square Bottom Bracket is used to house the bearings and axle between the crankset and frame, enabling smooth, stable rotation of the cranks on bikes with square taper cranks.

Why choose the Shimano BB-UN300 Square Bottom Bracket?

Choose the Shimano BB-UN300 Square Bottom Bracket for its durable sealed cartridge bearings, low maintenance, reliable Shimano quality, and compatibility with 68mm shells and Tourney TX800 series cranks.

Who is the Shimano BB-UN300 Square Bottom Bracket designed for?

The Shimano BB-UN300 Square Bottom Bracket is designed for recreational riders, commuter cyclists, and entry-level to mid-range builds using square taper cranks who want dependable, low-maintenance performance.

Long-lasting cartridge bearings

Sealed cartridge bearings keep grit and moisture out for reliable performance. Expect reduced maintenance and longer service life on every ride.

Perfect fit for 68mm shells

Engineered specifically to fit standard 68mm bottom bracket shells for hassle-free installation. The precise fit ensures stable drivetrain alignment and smooth pedaling.

Optimized 127.5mm axle length

The 127.5mm axle provides compatible chainline and crank clearance for many setups. It delivers consistent power transfer and smooth rotation for dependable rides.