120042: • PowerGlide technology allows for a unmatched transition between gears when up and down shifting
• Semi-spidered alloy design is light, strong, and efficient 
• 231g (11-26)
• SRAM Model ID: CS-PG-1070-A1

120042-12:
   - SRAM, PG-1070, 10sp cassette, 11-25T, 11-12-13-14-15-17-19-21-23-25
120042-14:
   - SRAM, PG-1070, 10sp cassette, 12-26T, 12-13-14-15-16-17-19-21-23-26
120042-16:
   - SRAM, PG-1070, 10sp cassette, 12-27T, 12-13-14-15-16-17-19-21-24-27