absoluteBLACK 4 Bolt Narrow Wide Chainring - 64 BCD - Oval - Black - 9-12 Speed - 28T Images Uploaded - Ready for Review Pros: Another quality chain lubricant

Pros: Another quality chain lubricant from Muc-Off

(I asked too)

Compatible with ONLY 6-bolt REAR wheels (there is no way to space centrelock rotors more than 6mm)

Shimano's Genuine 9 speed derailleur jockey wheels are available in different quality levels

absoluteBLACK 4 Bolt Narrow Wide Chainring - 64 BCD - Oval - Black - 9-12 Speed - 28T Images Uploaded - Ready for Review Pros: Another quality chain lubricantabsoluteBLACK 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