Shimano Claris 1x8 Groupset

This is a 1x8 grouping of Shimano transmission parts we like based on the Claris 8 speed RD-R2000 GS rear derailleur.
 
It includes:
 
Claris RD-2000 GS 8 speed rear derailleur. Min top sprocket: 11t, Max low sprocket 34t, Max front diff: 20t, Capacity: 43t, Weight: 284g.
Shimano SL-M315 8 speed shifter.
Shimano FC-S501 1x forged alloy crankset, 42t chainring, 170mm crankarm, & SM-BB4600 bottom bracket. Chainline is 42.7mm.
Shimano CN-HG40 6/7/8 speed chain (connecting link included).
Shimano CS-HG50-8 (11-13-15-18-21-24-28-34t) cassette.