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基本資料及規格 General Information
& Specification
| 牌子 Brand | Specialized |
| 型號 Model | Sirrus 3.0 Step Through (2020) |
| 車種 Type | 公路單車 |
| 重量 Weight | - |
| 顏色 Colors | 藍 |
| 摺車體積 Folded Size | - |
| 出產年份 Production Year | 2020 |
| 參考價格 | 折合價 HKD$ 6,800 |
車身 Body
| 車架 Frame | Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts |
| 頭碗 Headset | - |
| 前叉 Fork | Specialized FACT 9r Carbon, QR, Flat-mount Disc |
| 鵝頸 Stem | Specialized, 3D-forged alloy, 4-bolt, 7-degree rise |
| 手把 Handle Bar | Double-butted alloy, 9-degree backsweep, 31.8mm |
避震 Shocks
| 前避震 Front Shock | 沒有 |
| 後避震 Rear Shock | 沒有 |
制動系統 Braking System
| 剎車類型 Brake Type | Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm |
| 剎車掣 Brake Lever | Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm |
變速系統 Gearing
| 前變速 Front Derailleur | microSHIFT R9, 9-speed, 31.8mm clamp |
| 後變速 Rear Derailleur | Shimano Sora, 9-speed |
| 變速把 Shifter | microSHIFT, 9-speed |
| 波段 No. of Gears | 2 x 9 |
傳動 Transmission
| 大齒盤 Chain Rings | 48/32T |
| 飛輪 Cassettes | Shimano Sora, 9-speed, 11-34t |
| 鏈條 Chain | KMC X9, 9-speed w/ Missing Link™ |
| 曲柄 Cranks | 2-piece, forged arms, 24mm spindle, steel chainrings w/ chainguard |
| BB Bottom Bracket | BSA for 24mm spindle |
| 腳踏 Pedals | Specialized Body Geometry Fitness, platform, plastic |
車輪 Wheels
| 尺寸 Size | 27.5 |
| 輪圈 Rims | 700C disc brake, double-wall alloy, 22mm depth, 21mm internal width |
| 鋼絲 Spokes | Stainless, 14g |
| 輪胎 Tyres | RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c; RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c |
| 前花鼓 Front Hubs | Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h; Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h |
| 後花鼓 Rear Hubs | - |
| 胎壓 Tire Pressure | - |
座椅 Seat
| 座墊 Saddle | Bridge Sport, Steel rails, 155/143mm |
| 座管 Seatpost | Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
更多資料 More Informations
| 合適身高 Biker's Height | - |
| 合適體重 Biker's Weight | - |
| 其他資料 Others |
* 價格只作參考，實際售價以各店鋪為準
