Shimano UN55 Square Taper Bike Bottom Bracket

You might have the right pedals but they won't help you get anywhere if you don't also have the right bottom bracket to help bring everything together. With the Shimano UN55 Square Taper Bike Bottom Bracket, you'll know that your next ride will go smooth. Made of steel, this bracket is durable and ready to handle all the pedaling you can pump out of your legs to rocket your bike into your next adventure. Key Features of the Shimano UN55 Square Taper Bike Bottom Bracket 68x107mm: Crankarm fixing bolts not included BB Shell Width: 68 Spindle Interface Type: Square Taper JIS Spindle Length: 107.0 mm BBFrame Interface: English WghtDims: .76 lbs. 5.75 x 4 x 2.75