CeramicSpeed BSA29 MTB Bottom Bracket - BSA English Thread SRAM DUB MTB BLK MFPN=31055427033 The Monarch Plus RC3 features

The Monarch Plus RC3 features external rebound and 3-Position compression adjustment (Open/Pedal/Lock)

Ideal for racing and other high mileage cyclists

}DT Swiss 18307 Bearing

Prevents missed front shifts and frame damage from a dropped chain

}RockShox Metric Coil Spring - Length 174mm Travel 67

CeramicSpeed BSA29 MTB Bottom Bracket - BSA English Thread SRAM DUB MTB BLK MFPN=31055427033 The Monarch Plus RC3 featuresCeramicSpeed BSA29 MTB Bottom Bracket BSA (English Thread) SRAM DUB MTB Black. The CeramicSpeed BSA (English) bottom bracket offers bearings with extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings. TECH SPECS Defined Color Black Bottom Bracket Shell I. D. 1. 37 Spindle Interface Type SRAM DUB Weight 114 BB Shell Width (mm) 73 BB Frame Interface English