OneUp - 104 BCD Chainrings Size:30T Handmade in Japan by a

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

Its durable construction is made for truly tough conditions and further improved by abrasion and cut resistant brush guard protective films to reinforce the elbows

It feels good to move

9 to 22 kg / 19

Red inner lining for high visibility

OneUp - 104 BCD Chainrings Size:30T Handmade in Japan by aOneUp 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