absoluteBLACK Direct Mount Narrow Wide Chainring - SRAM Direct Mount - 3mm Boost - Oval - Black - 9-12 Speed - 36T YGroup_7033450922029 5") analog gauge measures to

5") analog gauge measures to a very respectable 2% accuracy

Sizing: One size fits most sizing suits 54 - 61cm sized heads

Please see photos for further instructions

a lightweight sleeping bag

If you run tight fitting wire bead tyres that almost need the Hulk to get on and off

absoluteBLACK Direct Mount Narrow Wide Chainring - SRAM Direct Mount - 3mm Boost - Oval - Black - 9-12 Speed - 36T YGroup_7033450922029 5") analog gauge measures toabsoluteBLACK 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. The oval shape smooths the delivery of power throughout the pedal stroke and improves efficiency and energy conservation. Many other brands have