Wheels Mfg BSA Threaded BB 30mm Base Model Green Modes-7 Rear Derailleur: SRAM Rival eTap

Rear Derailleur: SRAM Rival eTap AXS

36t is the smallest number of teeth that fits on a 120 BCD

2013+ Reba and SID B internals are interchangeable

9mm Color Purple

Wheels Mfg BSA Threaded BB 30mm Base Model Green Modes-7 Rear Derailleur: SRAM Rival eTapExternal BSA, English threaded bottom brackets featuring anodized aluminum cups with Enduro sealed bearings Mountain versions for 73mm or 68mm bottom bracket shells or Road specific versions for 68mm bottom bracket shells Offered in 24mm (Shimano, FSA, Race Face, etc), GXP 24 22mm (SRAM Truvativ), 30mm interface, SRAM DUB and Praxis M30 28 Compatible with 30mm diameter cranks with a spindle length of at least 104mm Angular contact: Enduro ABEC 5