lightweight 48-spline CrMo spindle ensure the Metron Crankset is going to stand up to anything you can throw at them

Constructed from a breathable perforated and tougher Duratex neoprene that's paired with an air-plush liner increasing how comfortable these pads are

Investment Cast Dropouts and comes complete with integrated chain tensioners

Made of super tough CNC Machined 4140 Cr-Mo (harder than 4130) and designed with a recess of material on the top surface to save weight and a super thick bottom area where you really need it

whether you're just starting out or you're strapped for cash and need a replacement

GT Speed Series Expert XL BMX Race Bike Colour:Black Fade lightweight 48-spline CrMo spindle ensureThe GT Speed Series Expert XL BMX Race Bike was inspired by the Speed Series Pro Models featuring reverse rear dropouts for quick gear changes. This model is purpose designed and spec'd to be incredibly lightweight offering maximum performance to meet each racer's needs. The Expert XL model is the perfect size for riders between 5' 2" 5' 8". ###section### Product Specs FRAME MATERIAL: Alloy WHEEL SIZE: 20" TOP TUBE LENGTH: 20" CHAIN STAY LENGTH: 13.