LTWOO 105 Rear Derailleur Pulley Wheels: 13T Upper and 18T Lower Jockey Wheels for Shimano R7000 Groupsets

These replacement pulley wheels from LTWOO provide a direct-fit solution for Shimano R7000 road bike groupsets requiring jockey wheel replacement or upgrades. The special size configuration maintains the precise engineering required for smooth gear transitions in road cycling applications. Available in eight distinct variations to match different component aesthetics and budget considerations, these pulley wheels offer a practical solution for maintaining optimal drivetrain performance without requiring complete derailleur replacement. The 13-tooth upper and 18-tooth lower configuration ensures proper chain engagement throughout the entire gear range.

Features and Construction

The LTWOO 105 pulley wheels feature engineering-grade materials designed to withstand the demands of road cycling. The special size designation indicates these components are manufactured to precise specifications matching original equipment dimensions, ensuring proper chain alignment and smooth operation throughout the gear range.

Material and Build

Constructed from durable engineering plastics and metals, these jockey wheels incorporate sealed bearing systems designed for smooth rotation under chain tension. The materials selection prioritises reliable performance across varying weather conditions and riding environments. Both colourful and economic editions maintain the same mechanical specifications with different finish options available to match component preferences.

Size and Practical Fit

The special size configuration features a 13-tooth upper jockey pulley and 18-tooth lower jockey pulley designed specifically for compatibility with Shimano R7000 rear derailleurs. This tooth count configuration ensures proper chain wrap and engagement throughout the entire cassette range, maintaining the shifting precision expected from road cycling components. The direct compatibility means installation requires no modification to your existing derailleur.

Uses and Placement

Designed primarily for road cycling applications, these pulley wheels serve as replacement components for Shimano R7000 groupsets. They address the need for maintenance and component refreshment in high-mileage road cycling scenarios where original jockey wheels may show wear or require upgrading.

Event or Professional Use

For competitive road cyclists and event participants, these pulley wheels offer a cost-effective way to maintain optimal drivetrain efficiency without replacing entire derailleur assemblies. The precise tooth configuration ensures smooth gear transitions during demanding race conditions and high-performance riding scenarios where reliable shifting is essential.

Everyday Home Use

For recreational road cyclists and home mechanics, these components provide straightforward replacement options for worn jockey wheels. The availability of both colourful and economic editions allows riders to match aesthetic preferences while maintaining mechanical functionality. The installation process requires standard bicycle maintenance tools and basic mechanical knowledge.

Benefits and Buying Value

Choosing these LTWOO 105 pulley wheels offers several practical advantages for Shimano R7000 groupset owners seeking component maintenance solutions.

Reuse and Low Maintenance

By providing replacement pulley wheels rather than requiring complete derailleur replacement, these components extend the usable life of existing gear shifting systems. The sealed bearing construction reduces maintenance requirements compared to some conventional jockey wheel designs, offering reliable performance with standard cleaning and lubrication routines.

Why Choose This Product

These pulley wheels provide a specifically engineered solution for Shimano R7000 compatibility with verified tooth count configuration. The availability of multiple finish options within the same mechanical specifications allows riders to choose based on aesthetic preference or budget considerations without compromising functional performance.