文档介绍：自行车和电动自行车翻译 Specification E-Citybike 28" 7/8 speed coaster brake hub gear General version Economical Model Item No. Item Item specification 1 Frame Alloy monotube , TIG welded, for 28 x 1,75 ( 622-47) tires, 60mm downtube, reinforced top tube,design as per our drawing and in addition special saddletube for cable inside mounting 2 Headtube For semi-integrated headparts 3 Fork Suspension fork for 28x1,75 ( 622-47) tires, alloy crown, alloy outer legs 4 Headparts Model 1 1/8 , semi-integrated version ,black + crown cover alloy silver 5 Handlebar Hi-Ten, Citybike Holland style , satin silver 6 Handlebarstem Alloy, adjustable , with QR, silver,ZOOM /HL silver or other brand 7 Bell Standard bell , appr .50mm . 8 Grip Ergonomic design , soft plastic , black, 9 Brake Alloy ,V-brake , front + rear , linear spring , black 10 Brake lever Alloy , bracket black, lever silver, 4-finger version for twist grip,= with power-off function 11 Chainwheel Steel ,38T , CP silver with plastic disc silver 12 Crank Alloy , 170mm, silver = PROWHEEL, or other brand, simular to foto attached 13 BB set Full cassette, sealed bearings, black = NECO or other brand 14 Chain KMC ,Z 410 / 1/2 x 1/8 15 Front hub Electric motor 16 Rear hub Internal 7/8 -speed coaster brake hub Shimano 17 Gear set 7-/8 -speed hub Shimano 18 Rim Alloy , for 28 x 1,75 ,(622-27 ) tire , double wall,black C 19 Tire 28 x 1,75 ,