5-BOLT “THREADED” CHAIN RINGS RENNEN
Rennen Pentacle 110mm 5 bolt Chainrings are precision machined from aircraft
quality 7075-T6 Aluminum
( 83% stronger than 6061). Rennen is the first to introduce Integrated Chainring bolt
nuts. and have machined into the gears the internal threads increasing accuracy and
eliminating the frustration. At 2.29oz (65 grams, 42T) this makes Rennen 110mm
Chainrings one of the lightest on the market. Rennen 110mm Chainrings are designed for younger riders 14yrs and younger at 150lbs or below.