
Rotor BB1 MTB Steel Bottom Bracket British Thread 73mm
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Labyrinth seals reduce friction to maximise efficiency
Excellent protection against dust, water, and mud
Lightweight design sheds all unnecessary weight
Rotor BB1 MTB Steel Bottom Bracket British Thread 73mm
Weight: 100g
Material: 100% CNC-machined, 7075 aluminum. Labyrinth seals prevent bearing contamination
Compatible Crankset Brand: ROTOR, Shimano
Material Bearing: Steel
Axle diameter compatible: 24mm
Shell width: 73mm
Frame Type: BSA (British thread)
Discipline: MTB
Colour: Black
Rotor Steel bottom bracket with appealing looks and ease of use. The Rotor BB1 is incredibly light and will match up with all high end cranks with looks and performance. Will work with all 24mm axles using external bearing system.
Replacable bearings which is ideal for those looking to shed every possible gram while at the same time acquiring an incredibly smooth bottom bracket.
New advanced non contact Labyrinth seals give buttery smooth spinning with unparalled protection against dust, water and mud.
New plastic cups offer significantly improved lateral compression and deformation resistance, facilitating crisp shifting.
Developed with the Cervelo racing team in 2009.
The Rotor BB1 MTB BSA Bottom bracket is suitable for chainsets that use a 24mm spindle, this includes Shimano Hollowtech II, Rotor chainsets that use 24mm axles, Race Face X type chainsets as well as some other brands. The bottom bracket is compatible with English threaded Mountain Bike frames with a shell width of 73mm.
Requires a 16 notch bottom bracket tool for installation which is the same as the standard Shimano tool.
Type | Bottom Brackets & Spares |
SKU | 233187 |