with a full chromoly 3-piece crankset and Mid BB

FRONT HUB: 15mm Sealed

9TCassette

on top of that it has a sealed rear cassette hub

GT Team Comp Albert Mercado BMX Bike supplier_54521764577606 with a full chromoly 3-pieceThe Mercado Team Comp is an Intermediate level bike from GT and is the perfect bike to upgrade from an entry level bike. It's spec'd really well with fully sealed bearings throughout, Chromoly front triangle frame, chromoly fork & handlebars, double wall rims, GT LP 5 tyres, pivotal GT Padded seat and post and much more. ###section### Product Specs FRAME MATERIAL: Chromoly Front Triangle & Chainstays WHEEL SIZE: 20" TOP TUBE LENGTH: 20. 75" CHAIN STAY