Chris King ThreadFit 30 Bottom Bracket

The Chris King ThreadFit 30 Bottom Bracket provides a high-end, threaded solution for cranks with 30 mm spindles. Engineered with premium sealed bearings and Chris King’s commitment to serviceability and durability, it’s designed to deliver smooth, quiet performance in both road and MTB builds.

Specifications at a Glance

• Interface type: ThreadFit 30 (threaded frame interface)
• Shell compatibility: Fits English/BSA threaded frames with 68 mm or 73 mm shell width
• Spindle compatibility: 30 mm cranks (SRAM DUB, RaceFace CINCH, e*Thirteen, etc.)
• Bearings: In-house sealed bearings built for high precision and low drag
• Serviceability: Bearings are removable, greasable, and replaceable
• Color options: Multiple anodized finishes available
• Warranty: Lifetime warranty (subject to registration and conditions)

Design Benefits

1. Quiet, stable operation: Threaded installation reduces play and eliminates many creaking issues common in press-fit designs.
2. High-quality bearings: Chris King’s own bearing designs are known for durability and smooth rotation under load.
3. Ease of maintenance: Full access to the bearings allows cleaning, greasing, and part replacement over the long term.
4. Wide crank compatibility: Accepts 30 mm spindle systems via included or optional fit kits and spacers.
5. Robust and aesthetic build: CNC-machined cups with anodized finishes enhance both durability and visual appeal.

Final Take

The Chris King ThreadFit 30 Bottom Bracket is an excellent choice for riders wanting a premium, reliable, and serviceable bottom bracket for 30 mm cranks. With the strength of threaded mounting, high-end bearings, and the ability to maintain it yourself, it’s built for long-term performance and ride quality.