Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 900004299
| Model year | 2021 |
|---|---|
| Brand | Specialized |
| Model | Sirrus 2.0 Step Through |
| Bicycle type | Hybrid |
| Archive ID | 900004299 |
| Original MSRP | $775.00 |
| Colors | Gloss Vivid Coral / Summer Blue / Satin Black Reflective; Satin Cast Black / Gloss Black / Satin Black Reflective |
| Sizes | XS; S; M |
| Frame construction | Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts |
|---|---|
| Frame material | Aluminum |
| Fork | Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release |
| Fork material | Steel |
| Shifters | Shimano Acera, 8-speed |
|---|---|
| Front derailleur | Shimano Tourney FD-TY710 |
| Rear derailleur | Shimano Acera, 8-speed |
| Crankset | Shimano Tourney, 3-piece, 46/30T |
| Bottom bracket | BSA, square-taper, 68mm |
| BB shell width | 68 mm |
| Cassette | Shimano Altus, 8-speed, 11-32t |
| Chain | KMC X8 w/ Missing Link™ |
| Pedals | Specialized Body Geometry Fitness, platform, plastic |
| Brakes | (F) Promax F1, hydraulic disc, flat-mount, 160mm / (R) Promax F1, hydraulic disc, flat-mount, 140mm |
|---|
| Handlebar | Double-butted alloy, 9-degree backsweep, 31.8mm |
|---|---|
| Stem | Specialized, 3D-forged alloy, 4-bolt, 7-degree rise |
| Saddle | Bridge Sport, Steel rails, 155/143mm |
| Seatpost | Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
| Hubs | (F) Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h / (R) Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h |
|---|---|
| Rims | 700C disc brake, double-wall alloy, 22mm depth, 21mm internal width |
| Spokes | Stainless, 14g |
| Front tire | RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c |
| Rear tire | RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c |
| Seat tube | 395 mm |
|---|---|
| Effective top tube | 557 mm |
| Head tube | 139 mm |
| Head-tube angle | 70° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 440 mm |
| Wheelbase | 1058 mm |
| Bottom-bracket drop | 70 mm |
| Bottom-bracket height | 272 mm |
| Reach | 393 mm |
| Stack | 555 mm |
| Standover height | 620 mm |
| Fork offset / rake | 51 mm |
| Front center | 628 mm |
| Trail | 70 mm |
| Fork length / axle-to-crown | 395 mm |
| Seatpost length | 300 mm |
| Crank length | 170 mm |
| Stem length | 70 mm |
| Handlebar width | 580 mm |
| Seat tube | 450 mm |
|---|---|
| Effective top tube | 567 mm |
| Head tube | 147 mm |
| Head-tube angle | 70° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 440 mm |
| Wheelbase | 1068 mm |
| Bottom-bracket drop | 70 mm |
| Bottom-bracket height | 272 mm |
| Reach | 400 mm |
| Stack | 563 mm |
| Standover height | 620 mm |
| Fork offset / rake | 51 mm |
| Front center | 637 mm |
| Trail | 70 mm |
| Fork length / axle-to-crown | 395 mm |
| Seatpost length | 350 mm |
| Crank length | 170 mm |
| Stem length | 80 mm |
| Handlebar width | 600 mm |
| Seat tube | 500 mm |
|---|---|
| Effective top tube | 584 mm |
| Head tube | 175 mm |
| Head-tube angle | 71° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 440 mm |
| Wheelbase | 1077 mm |
| Bottom-bracket drop | 70 mm |
| Bottom-bracket height | 272 mm |
| Reach | 408 mm |
| Stack | 593 mm |
| Standover height | 625 mm |
| Fork offset / rake | 51 mm |
| Front center | 646 mm |
| Trail | 64 mm |
| Fork length / axle-to-crown | 395 mm |
| Seatpost length | 350 mm |
| Crank length | 170 mm |
| Stem length | 90 mm |
| Handlebar width | 600 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 26, 2026.