Joined: Feb 2005
Posts: 13,560
Likes: 44
From: Milledgeville, Georgia
Bikes: 2018 Black Mountain Cycles MCD,2017 Advocate Cycles Seldom Seen Drop Bar, 2017 Niner Jet 9 Alloy, 2015 Zukas custom road, 2003 KHS Milano Tandem, 1986 Nishiki Cadence rigid MTB, 1980ish Fuji S-12S
The A530 would not make a good substitute for the A520 imho. The A530 has a better platform on the non-clipless side for riding with regular shoes, but only the A520 has the sides that contact your soles and simulate the foot support of a true road pedal.