The Subrosa Rose Cranks are built tough, Death Proof heat-treated chromoly keeps these cranks going through even the heaviest of riding styles. CNC'd spindle bosses all held together with oversized welds, their slim design with a 19mm spindle to it simple. The Rose Cranks come with a 19mm Mid sized bottom bracket included. ###section### Product Specs Crank Type: 3-Piece Drive Type: Bolt Drive Spindle Diameter: 19mm Drive Side: Right Side Drive Includes BB Bearings: Yes Weight: 1091g (38.5oz) ###shogun-image-section###