For short chainstay (Includes DO bolt 26-15634)
For long chainstay see Derailleur Hanger 580
Custom M12 Bolt (DROPOUT-FAST-05)
Thru-Axle thread M12x1.0
Fits Santa Cruz models: Megatower V1 (2019-2020), Tallboy V4 Carbon (2019-2020), V10.7 (2019-2020)
Replacement for Santa Cruz parts: 23-20089, 04-20894