Jamis Commuter 4 First Impressions by Richard Masoner TIG Welded 6061 aluminum frame and fork Shimano BR-M415 disc brakes with Tektro levers Shimano Alfine 8-speed hub with pulley tensioner Shimano R440 front dérailleur Jamis "Comfort" saddle 27.2 mm suspension seatpost 700 x 32 Kenda...