e*thirteen Helix Race GR Direct Mount Chainring - For use Helix Race GR Crank Model=Park Ranger BMX Frame 5mm MONARCH PLUS A1/B1

5mm MONARCH PLUS A1/B1

Sizes 40T and larger are compatible with Dura Ace 9100

5-bolt 144 BCD mounting

Enhanced ergonomics for improved power transfer Cleat Bolt Pattern 3-Bolt Closure Dial Shoe Size (EU) 45

Lace closure Gender/Age Women's Color Core Black/Gray One/Gray Six Shoe Size (US) 7 Defined Color Black Closure Lace Activity Cycling Shoe Size 7

e*thirteen Helix Race GR Direct Mount Chainring - For use Helix Race GR Crank Model=Park Ranger BMX Frame 5mm MONARCH PLUS A1/B1Helix Race GR chainrings are gravity optimized direct mount chainrings designed to withstand the punishment of downhill bikepark and freeride disciplines. Theyre crafted of AL 7075 T6 and highly CNC optimized for minimal weight penalty and great looks. Paired with Helix Race GR Cranks 7mm offset GR chainrings produce a 56. 5mm chainline suitable for most long travel bike geometries. Featuring e*thirteens M4 narrow wide tooth profile they deliver