Model: | SB10-HDSS - Heavy Duty - Street Performance Disc, SB10-XTSS - Xtreme - Street Performance Disc, SB10-HDG6 - Heavy Duty - Street/Strip - 6-Puck Sprung, SB10-HDG4 - Heavy Duty - Street/Strip - 4-Puck Sprung, SB10-XTG6 - Xtreme - Street/Strip - 6-Puck Sprung, SB10-XTG4 - Xtreme - Street/Strip - 4-Puck Sprung, SB10-HDR6 - Heavy Duty - RACE ONLY - 6-Puck Solid, SB10-HDR4 - Heavy Duty - RACE ONLY - 4-Puck Solid, SB10-XTR6 - Xtreme - RACE ONLY - 6-Puck Solid, SB10-XTR4 - Xtreme - RACE ONLY - 4-Puck Solid |