SRAM 39T 10 sp BCD 130mm 5-Bolt Inner Chainring For 39/48 ou 39/53 Aluminum Black 11.6215.197.010 MFPN=HSKS_BRONZE }SRAM Red 22 Rear Derailleur

}SRAM Red 22 Rear Derailleur B-Bolt Kit

Can be used to change travel

The Wolf Tooth Cinch chainrings feature our patented Drop-Stop® tooth profiles for the best wear life

}SRAM G2 RS Disc Brake Caliper Assembly - Post Mount Diffusion Black Anodized A2

Extra light 11speed chains

SRAM 39T 10 sp BCD 130mm 5-Bolt Inner Chainring For 39/48 ou 39/53 Aluminum Black 11.6215.197.010 MFPN=HSKS_BRONZE }SRAM Red 22 Rear DerailleurSRAM Red Force Rival Apex 39T 10 Speed 130mm Black Chainring use w 48 or 53. Original equipment on SRAM and Truvativ cranks they also work well with other drive trains. 7000 series aluminum provides strength and durability TECH SPECS Tooth Count 39 Ring Position Type Inner Drivetrain Speeds 10 Chainring BCD 130 Color Black Defined Color Black Material Aluminum