A 30mm internal hookless carbon 29er MTB rim, no-nonsense J-bend steel spokes, a proven SON 28 hub dynamo generator up front, a super fast 2° / 180 POE Boost rear hub, and complete weight under 2kg ...

Department of Aviation Oil and Material, Air Force Logistics Academy, Xuzhou 221000, China Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, ...