CeramicSpeed BB ALPHA Bottom Bracket - PF30 73mm For SRAM DUB Spindle MTB BLK MFPN=09-001250 Why have extra steerer tube

Why have extra steerer tube requiring spacers on top of your stem you ask

Tubeless and Hookless Compatible in widths 700 x 30C and wider and all 26" 650B/27

Material Aluminum Gauge 14g Length 16mm Color Black Package 100/Count Size 14G/16Mm

Fits 2 pairs of skis & poles (depends on ski style) Skate wheels (smooth & silent rolling

Misc Mint S

CeramicSpeed BB ALPHA Bottom Bracket - PF30 73mm For SRAM DUB Spindle MTB BLK MFPN=09-001250 Why have extra steerer tubeA 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