Differential headtube, 45° x 45° ACB upper industrial bearing lower (for carbon fibre headtube). For differential OD headtube. Upper Angular Contact Bearings, Lower Industrial bearing. Stainless crown race. Carbon top cover. Stack height: 9.4 + 0.9 = 10.3mm. Weight 83.4g. Specification Top bearing: 160-6480. Bottom bearing: 160-6740. Crown race: H6083.
Differential headtube, 45° x 45° ACB upper industrial bearing lower (for carbon fibre headtube). For differential OD headtube. Upper Angular Contact Bearings, Lower Industrial bearing. Stainless crown race. Carbon top cover. Stack height: 9.4 + 0.9 = 10.3mm. Weight 83.4g. Specification Top bearing: 160-6480. Bottom bearing: 160-6740. Crown race: H6083.