The cups are constructed from 6061-T6 alloy to keep them lightweight without sacrificing strength

Geometry Specially designed for smaller riders

fixing bolts and nuts

The Onyx is comprised of tubular heat-treated 4130 CrMo crank arms and a CrMo ultra hollow axle and is both LHD and RHD compatible

Offset: 32mm +/-1

S&M 22" ATF Frame supplier_54522011779398 The cups are constructed from22" version of the ATF bmx frame from S&M. This is the base model of all of S&M's lastest signature frames. The ATF (Alcohol, tobacco and firearms) uses S&M's standard heat treated supertherm tube set with a tapered and butted top tube for extra strength, dent resistant down tube, tapered rear stays with massive rear tire clearance and heat treated micro dropouts. ###section### Product Specs MATERIAL: Chromoly HEAD TUBE ANGLE: 74. 25 SEAT TUBE ANGLE: