Full Japanese 4130 ChromolyOberrohrlängen: 20.4, 20.6, 21"75.2 Head angle71 seat tube angle8" seat tube length13.25-13.5" rear endmid size bbtapered rear stays5mm dropoutsbuilt in external seat clamp with removable nut+boltfully heat treated AFTER weldingInternal headsetGewicht: 21"/ 2,3 kg