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Biken has grown from all the brands and products at Shockcraft that aren't strictly suspension, and includes a special focus on quality kids' MTB products.  Visit Biken

Big Steel External Bottom Bracket Bearing Kit with Gaskets (Monocrome)

Availability: Built to Order


Application: Monocrome Bottom Brackets
ID: 24 mm, OD: 37 mm, W: 7 mm


Price/s exclude 15% tax (GST).
International customers do not pay New Zealand GST.
Switch to New Zealand Store  |  Notes on Currency
2 x MR2437-2RS Steel Caged Bearing (Monocrome)   +US$20.09
2 x Monocrome Bottom Bracket Gasket   +US$4.02

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Big Steel bearings with gasket seals to fit Monocrome Bottom Brackets.

These bearings have a smaller internal diameter than the standard 6805 bearings, supporting the crank axle directly and removing the need for plastic sleeves.

The gasket seals have been specifically designed by Shockcraft's engineer to fit the Monocrome Bottom Brackets.

Important: FSA MegaExo cranksets have a slightly larger axle that means they won't fit through these Big Steel bearings.  They will however fit with the 6805 bearings and plastic sleeves as there is enough give to allow the larger axle to be pushed through.

Special 6 Months Guarantee:   All MonocromeTM bearings carry a special guarantee with a 6 month no questions asked replacement.