Yokomo BB-1812 12x18x4mm Ball Bearing Set (2 pcs.) - Slipper Clutch Essentials  [BB-1812]

Yokomo BB-1812 12x18x4mm Ball Bearing (2 pcs.)
Price:
AUD$5.40
Brand:
Yokomo
Model:
BB-1812
GTIN:
11
Condition:
Brand New
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Reliable Bearings for Drivetrain Care

Good bearings are essential to preserve drivetrain efficiency. The Yokomo BB-1812 12x18x4mm ball bearings are sized to reduce friction and maintain smooth rotation in the front and rear regions of B-MAX4 and D-MAX slipper clutch setups.

Built to Size

These bearings feature a 12mm inner diameter and an 18mm outer diameter, ensuring a proper press fit. That correct sizing helps prevent wobble and supports steady wheel and gear movement.

Pair for Installation

Supplied as two pieces, this set covers both ends of a slipper clutch assembly. Installing fresh bearings can tighten response and help sustain top-end speed by limiting internal losses.
Remark :
Due to limited stock availability, please notice that some Yokomo items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

Are the seals removable on these bearings?

These are precision ball bearings and may have shields or seals depending on batch. If shields are removable, take care when removing to avoid contaminating the races.

Will these bearings tolerate occasional wet runs?

Occasional exposure to water is manageable if you clean and relube the bearings promptly. Prolonged wet or muddy conditions will shorten bearing life unless they are serviced regularly.

Can I upgrade these bearings for higher RPM use?

If you need bearings rated for much higher speeds, look for premium grade or ceramic options in the same 12x18x4mm size. Check compatibility with your hubs before upgrading.

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