CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 68mm For 24mm/Shimano Spindle Gravel BLK MFPN=DWE390007 Performs in a wide temperature

Performs in a wide temperature range (-20° – 70°C)

And as you were probably wondering

3-gusseted back pockets

Lumens Rear 100Lumens Front 200Recharge Type USBBattery Rechargeable

Composite construction Color Black Bottle Type Standard Access Style Top Mount Type Bolt-On Material Carbon Defined Color Black

CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 68mm For 24mm/Shimano Spindle Gravel BLK MFPN=DWE390007 Performs in a wide temperatureA bottom bracket built to outlast your frame BB ALPHA features hardened stainless steel races hand built with grade 3 Silicon Nitride ceramic balls custom engineered seals and precision dust covers delivering up to 500% better moisture protection while still providing ultra low friction performance. The simplified spacer tube design and lighter 7075 aluminum cups ensure quick installation and a 10% weight reduction over previous generations. All