The front brake caliper is red back iron with the semi-metal material type. It is used in Honda TRX 500 FA5/FA6/FA7/FGA5/6/7 2005-2007 Front position mounted, and Honda TRX 680 FGA6/FA6/7 Fourtrack Rincon 2006-2007 Front position mounted. The equivalents OEM numbers are 06451-HPO-A01, 06452-HPO-A01, Vesrah# VD175, SBS# 829, Dunlopad# 959. The dimension of this brake pads are 81.8mmx38.45mmx10.15mm.