3 ms·
Some (all?) parts of Shimano's Di2 system communicates via a proprietary protocol. The industry has standardized on ANT+, Shimano uses their own protocol. Hamme
by E39M5S62 4y ago
Some (all?) parts of Shimano's Di2 system communicates via a proprietary protocol. The industry has standardized on ANT+, Shimano uses their own protocol. Hammerhead had a license agreement to use it. Shimano revoked (or opted to not renew) that license.