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Blackbearing D20 40x49x6mm 45/45° Headset Bearing

Precision Steering Performance for Tapered Headsets

Regular price ₹3,050
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  • Free shipping over ₹2,000Delivered across India
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The Blackbearing D20 40x49x6mm 45/45° Headset Bearing delivers consistent, play-free steering with a durable, low-friction feel designed for premium cycling performance.

Correct Fit for 1-1/2" Forks: Sized at 40mm (ID) x 49mm (OD) x 6mm (width), this bearing is made for 1-1/2" fork steerer interfaces—commonly used as the lower bearing on tapered headsets for modern road, gravel and MTB frames.

45/45° Angular Contact: A true 45/45° angular contact profile ensures stable load distribution under braking and cornering, improving headset alignment and extending service life.

Chrome Steel Construction with Seals: Precision-ground chrome steel balls and races provide excellent hardness and wear resistance. Integrated seals help keep out water and grit for smooth performance in real-world conditions.

Factory-lubricated with high-quality grease, the D20 drops in cleanly and runs quietly, reducing maintenance while keeping your steering light and accurate.

Product details

Specifications

Product NumberHB-D20
Bearing TypeCartridge
MaterialChrome steel
Dimensions40 x 49 x 6 mm
I.D. (mm)40
O.D. (mm)49
Depth (mm)6
Angle45/45°
For Fork Steerer1-1/2"
CompatibilityCommonly used as Lower Bearing on Decathlon Van Rysel Bikes

Features

  • Optimized Fit for 1-1/2" Forks: Engineered for modern tapered headsets, ensuring accurate alignment and stable steering under varying loads.
  • 45/45° Angular Contact Design: Distributes forces evenly during braking and cornering for smoother control and extended bearing life.
  • Durable Chrome Steel Build: Chrome steel balls and races provide high wear resistance and low rolling friction for consistent performance.
  • Enhanced Sealing System: Integrated seals protect against water, dust and debris, maintaining long-term smoothness.
  • Pre-Greased Convenience: Factory-lubricated with premium grease for easy installation and reduced maintenance effort.

Warranty and support

Covered by the manufacturer's warranty. Warranty claims go through us and we deal with the brand for you.

Questions after delivery? Ask TBA Guide or WhatsApp us.

Shipping and returns

We ship across India. Shipping is free on orders above ₹2,000 and ₹99 below that. Cash on delivery is available on orders up to ₹20,000, with a COD charge that depends on the order value. For a delivery estimate, enter your pincode in the box above the add-to-cart button: it shows the courier's own estimate for your address, not a promised date. If a parcel is held up we chase the courier until it is delivered. Full shipping policy

Returns can be started within 7 days of delivery on unused items in their original condition with all tags and packaging. Apparel, helmets, gloves and similar items are returnable; wetsuits and products discounted by more than 5% are not. Compatibility questions are not grounds for a return unless our listing was wrong, so ask us before you order if you are unsure. Return shipping is arranged by you; on an accepted return you can choose an exchange, store credit or a refund after shipping and transaction charges. Orders can be cancelled only until they are processed. Full return and refund policy