The CEMA SRC-HS-JS10 is a sealed cartridge headset bearing sized 38 x 27.1 x 6.5mm with a 36°/45° contact angle, built for tapered/integrated headset applications. Designed for Cervelo S5 top headset bearing (2020 onwards). 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: 38mm OD x 27.1mm ID x 6.5mm height
  • Contact angle: 36°/45°
  • Fits the Cervelo S5 top headset position (2020 onwards)
  • CEMA SRC chrome steel construction
  • Double-sealed design keeps lubricant in and dirt/moisture out
  • Model: SRC-HS-JS10
Outer diameter38mm
Inner diameter27.1mm
Height6.5mm
Contact angle36°/45°
MaterialChrome steel
FitsCervelo S5 top headset (2020 onwards)
ModelSRC-HS-JS10
SKU BPW-0879
Model # 0879
Barcode # 4712910906445
Brand CEMA

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