BOX Four 8-Speed Bicycle ShiftersThe BOX Four 8 Speed Shifter takes advantage of the "less is more" drivetrain philosophy and exploits durability, simplicity, and reliability.

system integration

Charging System: Comes with a FOX battery block

Segmented 3K Shell: This specialized shell design provides a large exhaust vent

Universal Fit: The adjustable hook and loop mounting system ensures a secure fit on almost any bike frame

Crafted with high-quality materials to meet rigorous executive standards:

This derailleur supports a 1x12 drivetrain with a maximum cassette cog of 52 teeth

no matter how hard you ride

Engineered with advanced air-infusion technology to serve as the of trail smoothness:

gravel or indoor

This chain features a distinct Dark Polar finish specific to X0 and boasts triple plating for unbelievable resistance to corrosion and wear

BR-MT200 BR-UR300

Traction Pins: Molded