Zipp Speed Weaponryさんのインスタグラム写真 - (Zipp Speed WeaponryInstagram)「Zipp’s new 303 Firecrest Tubeless Disc brake is first our wheelset to feature TSE™ Technology (Total System Efficiency). The 303 Firecrest’s precise rim layup results in greater all-around efficiency for greater speed through reduced: Wind resistance Rolling resistance Gravity (weight + durability) Vibration losses More at Zipp.com」6月7日 0時26分