CeramicSpeed 61903 Coated Bearing - (6903) Coated Bearing Race Color-Navy Blue The aluminum BMC Trackmachine AL

The aluminum BMC Trackmachine AL ONE is a complete track bike for all reasons

Quick-release adapter

It has the advantage of the unique Mag Point System 2

180mm Q-factor Rings 42 Number of Chainrings Single Drivetrain Speeds 11 Chainring BCD 96 Shimano Asymmetric Chainline/Hub Compatibility 141/148 Boost Hubs Color Black Crank Length (mm) 175 BB Included No Pedal Spindle 9/16" Spindle Interface Type Shimano Hollowtech II Designed for ebike Yes Defined Color Black Size 175Mm Chainring Size 42T

Samox chainring sets for use with various cycling disciplines

CeramicSpeed 61903 Coated Bearing - (6903) Coated Bearing Race Color-Navy Blue The aluminum BMC Trackmachine ALCeramicSpeed cartridge bearings with coated race are a premium upgrade option that provide extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings. These bearings feature coated races that provide the ultimate performance and longevity. Grade 3 Silicon Nitride balls The coated bearing races increase the bearing service life by providing extreme hardness to the race and reducing corrosion Reinforced