CHRIS KING ThreadFit BB Matte Gold 50th

Matte Gold 50th commemorates Chris King's 50th anniversary in 2026.

Select the bottom bracket model and bearing type from the product variants. Chris King ThreadFit™ bottom brackets use serviceable in-house angular-contact bearings and are covered by the King Lifetime Warranty under the manufacturer's terms.

[MODEL / FIT KIT GUIDE]

• ThreadFit™ 24: BSA 68/73mm — 24mm #4 / GXP #6
• ThreadFit™ 30: BSA 68/73mm — 30mm #3 / DUB #1 or #2
• T47 24x: 68/73mm — 24mm #4 / GXP #6
• T47 30x: 68/73mm — 30mm #5 / DUB #1
• T47 24i: nominal 86/92mm — 24mm #4 / GXP #6
• T47 30i: 68/73/83/86/92mm — 30mm #5 / generally DUB #1; confirm in Fit Guide

Fit Kits are sold separately by Circles. Exact spacer configuration varies by crank and shell width, so confirm the current official Fit Guide.

Chris King official support, Bottom Bracket Manual & Fit Guide