OneUp - 104 BCD Chainrings Size:30T 9 to 22 kg /

9 to 22 kg / 19

Handmade in Japan by a three-generation family company of riders

Red inner lining for high visibility

It feels good to move

in hydraulic systems

OneUp - 104 BCD Chainrings Size:30T 9 to 22 kg /OneUp your complete drivetrain with our new Narrow Wide Chainrings. Narrow Wide tooth profile eliminates chain drop with the perfect chain mesh fit Perfect chainline with 2mm Shims included with 32T and 34T rings (30T rings have built in offset). For a quieter drivetrain with improved chain wear and best drop performance. Reuse your existing 8 10mm long ring hardware. No new bolt packs required, saves you $15. Aggressive crud chamfers for awesome mud