Stacyc 90 Degree Machined Gearbox UPGRADE Kit

Boost your Stacyc’s performance and reliability with the 90 Degree Machined Gearbox Upgrade Kit. Built with precision CNC machining, this gearbox upgrade is stronger, smoother, and more durable than stock—perfect for riders who demand more from their Stacyc.

Features:

• Precision CNC-machined gearbox upgrade
• 90-degree design for improved power transfer
• Increases strength, durability, and performance
• Smoother, more reliable operation than stock
• Designed specifically for Stacyc bikes