Rennen Threaded 4 Bolt 104mm BCD Size:42 Full link

Full link

The IG-45 integrated headset features an aluminum cap

Quick and easy to use

Rapid lock closure system for easy front entry

The FLATline Pro Bars weigh in at only 770 grams or 1lb 11 ounces

Rennen Threaded 4 Bolt 104mm BCD Size:42 Full linkRennen Sprockets are precision machined from aircraft quality 7075 T6 Aluminum ( 83% stronger than 6061) and polished to a beautiful luster or available in Stealth Black, offering the highest performance at the right price. Rennen Chainrings are 3 16" thick and are made to take the abuse of the BMX Track or a east coast muddy rocky SS ride. Only Rennen Sprockets offer a single speed specific tooth profile which have been designed to extend tooth life.