The CEMA SRC-HS-JS04 is a sealed cartridge headset bearing sized 52 x 40 x 7mm with a 45°/45° contact angle, built for 1.5" headset applications. It's a direct cartridge swap for a worn or notchy headset bearing of this exact size — no adjustment, no races to press, just drop it in.
Manufacturing defects are covered under CEMA's warranty terms. Return the bearing to Tune Cycles and we'll manage the claim on your behalf — no need to contact CEMA directly. This is in addition to your rights under the Australian Consumer Law.
  • Dimensions: 52mm OD x 40mm ID x 7mm height
  • Contact angle: 45°/45°
  • CEMA SRC chrome steel construction
  • Double-sealed design keeps lubricant in and dirt/moisture out
  • Direct cartridge replacement — no machining or pressing of races required
  • Model: SRC-HS-JS04
Outer diameter52mm
Inner diameter40mm
Height7mm
Contact angle45°/45°
MaterialChrome steel
SeriesCEMA SRC-HS
ModelSRC-HS-JS04
SKU BPW-0873
Model # 0873
Barcode # 4712910906391
Brand CEMA

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