absoluteBLACK 4 Bolt Narrow Wide Chainring - 104 BCD - Oval - Black - 9-12 Speed - 34T Dropship It also features a single

It also features a single low friction seal to keep the lower bearing protected from the elements

Tool Material: Chrome vanadium steel

5kg/8lb capacity

Ventilation: There are 14 vents with internal channeling to maximise the airflow using Giro's Stack ventilation system

bulky pack

absoluteBLACK 4 Bolt Narrow Wide Chainring - 104 BCD - Oval - Black - 9-12 Speed - 34T Dropship It also features a singleabsoluteBLACK is dedicated to producing the world's finest oval chainrings and were the first to crack the code to discover the correct shape and 'clocking' to make an oval chainring work. They learned how to maximize the part of the stroke where power is produced and minimize resistance where it isn't which has the effect of smoothing out the delivery of power throughout the pedal stroke and improving efficiency. Many other brands have followed suit