Rennen Threaded 4 Bolt 104mm BCD Size:42 Full Knurling for a tight

Full Knurling for a tight grip on the stem

It is light and strong

Short Reach V-Point Brake Levers

including chainrings and cranks with threaded holes

Rennen Threaded 4 Bolt 104mm BCD Size:42 Full Knurling for a tightRennen 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.