FUNN Solo Narrow Wide Chain Ring - Four Bolt - 104 BCD - Standard Crank Chainline - Round - 30T - 9-12 Speed - Alloy - Black YGroup_7741760602157 The range of adjustment is

The range of adjustment is quite wide

This obviously also makes it a little smaller to store in the garage when you're not using it

Its powerful enough to be used for those morning commutes or even to light up some less hairy trails

Diameter: Greg's signature grip is 31

Change in and out of your biking clothes thanks to the separate

FUNN Solo Narrow Wide Chain Ring - Four Bolt - 104 BCD - Standard Crank Chainline - Round - 30T - 9-12 Speed - Alloy - Black YGroup_7741760602157 The range of adjustment isSolo Precision: Chain Security, Maximum Freedom. The Funn Solo Narrow Wide is designed for single chainring setups with 104mm BCD interface cranksets. The narrow wide tooth profile helps to lock your chain in place, doing away with the need to run a chainguide. CNC'd from high quality aluminium, the Solo is both tough and light. Specifications Features Compatible with crankset with 104BCD interface Weight: 30T (40g) 32T (42g) 34T (34g) 36T (36g)