Bicycle 24-Speed Drivetrain Upgrade Kit for Mountain Bikes

This 7-piece bicycle drivetrain upgrade kit provides the essential components needed to refresh or modify a mountain bike's transmission system. Designed for 24-speed setups, this comprehensive set includes the shifting, gearing, and drivetrain parts required for a complete overhaul.

Who this kit is for

This transmission upgrade set is intended for cyclists looking to replace worn-out components or upgrade their existing mountain bike drivetrain. It is suitable for adult riders performing their own bicycle maintenance or custom builds. The components are designed to work together to provide smooth gear changes and reliable power transfer on various terrains.

Included components

• M310 finger dial shifters
• M310 front derailleur
• M310 rear derailleur
• M311 chain ring
• HG31-8 flywheel
• HG50-8 chain
• BB-UN26 123MM bottom bracket

Build specifications

Primary Material

Metal

Bottom Bracket Size

123MM

Chain Type

HG50-8

Set Quantity

7 pieces

Installation and compatibility

This kit is designed for standard bicycle frames compatible with the listed bottom bracket and derailleur specifications. Ensure your frame's bottom bracket shell width and threading match the BB-UN26 standard before installation. Professional installation or the use of specific bicycle tools is recommended to ensure all components are correctly torqued and indexed for optimal shifting performance.