1030

Technology: Power Glide
Weight: 395 grams (11-36T)
Gear Ratios: 11-26, 11-28, 11-36
Speeds: 10
Recommended Chain: PC-1090R, PC-1090, PC-1070, PC-1050, PC-1030
Materials: Aluminium Spider with Steel Cogs

1050

Technology: Power Glide / WiFLi
Weight: 371 grams (12-36) 250 grams (11-23)
Gear Ratios: 11-36, 11-32, 11-28, 11-26, 11-23, 12-25, 12-26, 12-27, 12-28, 12-32, 12-36T
Speeds: 10
Recommended Chain: PC-1090R, PC-1090, PC-1070, PC-1050, PC-1030
Materials: Forged Alloy Spider / Heat-Treated Steel // Chromo Plated

1070

Technology: Power Glide / WiFLi
Weight: 210 grams (11-23), 360 grams (12-36)
Gear Ratios: 11-23, 11-25, 11-26, 11-28, 11-32, 11-36, 12-25, 12-26, 12-27, 12-28, 12-32, 12-36T
Speeds: 10
Recommended Chain: PC-1090R, PC-1090, PC-1070, PC-1050, PC-1030
Materials: Forged Alloy Spider / Heat-Treated Steel // Chrome Plated

1080

Technology: Powerdome X™ / X Glide™ Cogs / StealthRings™
Weight: 239 grams (11-36)
Gear Ratios: 11-36
Speeds: 10
Recommended Chain: PC-1090R, PC-1090, PC-1070, PC-1050, PC-1030
Materials: 4130 Chromoly Steel (cog cluster), AL-7075-T6 (largest cog)

1090 (2012 SRAM RED)

Technology: X-Glide, X-Dome
Weight: 135g (11-23T)
Gear Ratios: 11-23, 11-25, 11-26, 11-28
Speeds: 10
Recommended Chain: PC-1090R, PC-1090, PC-1070, PC-1050, PC-1030
Materials:High Grade Tool Steel Cog Cluster / Heat Treatement Process / Heat Treated Aluminium Lowest Range Cog / Elastomer Rings

XX

Technology: X-Dome
Weight: 185g (11-32T), 208g (11-36T)
Gear Ratios: 11-32, 11-36
Speeds: 10
Recommended Chain: PC-1090R, PC-1090, PC-1070, PC-1050, PC-1030
Material: 4130 Chromoly