Wolf Tooth BSA English Bottom Bracket – 68/73mm, 29mm Spindle, Raw Silver,

Wolf Tooth English (BSA) bottom brackets are engineered to be durable, reliable, lightweight, and smooth. The weather sealing is best-in-class, with o-ring seals on the spindle and inner shell, a wiper connection seal between the bearing and end cap, bearing race seals, and a labyrinth end cap design. To prevent creaking, spindle bushings separate the bearing inner race and crank spindle to eliminate metal-on-metal contact. The custom chrome bearings has been hardened for improved durability and reduced friction with ZNA corrosion-resistant coating, while the ball diameter, width, and counts were custom selected by Wolf Tooth for top quality based on spindle diameter. Wolf Tooth bottom brackets are machined at Wolf Tooth in Minnesota, USA.Best-in-class sealing protects bearings from water.

CeramicSpeed BB ALPHA Bottom Bracket – English/BSA, 73mm, For 24mm/ Spindle,

A 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 CeramicSpeed BB ALPHA models are handbuilt in Denmark and backed by a lifetime warranty.Comes with CeramicSpeed UFO Long Life grease (5ml). Hardened Stainless Steel races offer exceptional corrosion protection and provide an optimal surface for the hand-built grade-3 Silicon Nitride ceramic balls. Internal ball bearing race has been redesigned.

Wheels Manufacturing BSA 30 Bottom Bracket – English (BSA) Frame Interface,

The Wheels Manufacturing BSA 30 bottom bracket threaded to 30mm is their solution to running a 30mm spindle crankset in a BSA (English) threaded frame. This bottom bracket features high quality aluminum cups and fully serviceable bearings.Enduro ABEC-3 sealed bearings are replaceable. Grade 10 chromium steel balls, 52100 High Carbon Chromium Alloy Races provide smooth crank rotation. Machined aluminum cups with durable anodized finish. Allows for the use of 30mm spindle crankset with English (BSA) threaded bottom bracket shells. For use with 30mm diameter cranks with an overall spindle length of at least 104mm when used in a 68mm wide BB shell. Will not work with standard BB30 cranksets, please measure your BB30 crank spindle length. Compatible with frames that have 68-73mm English bottom.

SRAM DUB Bottom Bracket English BSA 68/73/73+ Boost Wide

The SRAM DUB bottom bracket series has a simple job— to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. Designed for use with SRAM Boost cranksets with 55mm chainlines Gutter Seal Technology drastically improves sealing against the elements Sealed cartridge bearings One oversized spindle to work across every bottom bracket standard