Made from lightweight and durable AL-7075-T6, they work Shimano and SRAM chains with a flip-flop design so you can use these on wide range frames with different spacing

• Chainline: Flip-Flop - 52mm (Boost) and 55mm (Super Boost)
• Compatibility: Helix R Direct Mount, Helix, TRS, LG1 and XCX Direct Mount cranks
• Retention: Updated M4 narrow wide tooth profile
• Compatiblity: Helix R Direct Mount, Helix, TRS, LG1 and XCX Direct Mount cranks