Birzman SRAM DUB T47 BB Socket MFPN=HICRBXEXX Not compatible with multiple chainring

Not compatible with multiple chainring drive trains

Battery Type Lithium Ion Connectivity Bluetooth GPS Smartphone enabled Solar Charging No Touchscreen Yes Watch Color Creame Gold Wristband Coconut - Silicone Primary Color Gold Customizable Screen Yes Heart Rate Monitor Yes

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Birzman SRAM DUB T47 BB Socket MFPN=HICRBXEXX Not compatible with multiple chainringCompatible with SRAM T47 DUB and other 16 notch 52 54mm external bearing bottom bracket cups such as those from C Bear, CeramicSpeed, Enduro, Kogel and White Industries Constructed using CNC machined hardened steel 1 2 inch drive compatible TECH SPECS description SRAM DUB T47 BB socket compatibility SRAM DUB T47 and other 16 notch