
Easton EA90 Seatpost Black/20mm Setback, 27.2x350mm
27.2x350mm
Replacement option · verify fit
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Original specifications: 700c wheels · geometry for 3 published sizes.
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At a glance
| Frame Construction | Quick Step-Thru, SmartForm C3 Alloy, SAVE, 1-1/8” headtube |
|---|---|
| Frame Material | Aluminum |
| Fork | Quick, Cromoly, 1-1/8” steerer, 55mm offset |
| Shifters | Shimano EF41, 3x7 |
|---|---|
| Front Derailleur | Shimano Tourney, 31.8 clamp |
| Rear Derailleur | Shimano Acera, 7-speed |
| Crankset | Prowheel 48/38/28 |
| Bottom Bracket | Tange Cartridge |
| Rear Cogs | Sunrace MFM2A, 7-speed |
| Chain | KMC Z51, 7-speed |
| Pedals | Cannondale Fitness Reinforced Composite |
| Brakes | Cannondale Mini V, Cartridge Pads |
|---|
| Headset | FSA Si 1-1/8” |
|---|---|
| Handlebar | Cannondale C4, 6061 Alloy, 20mm rise,10 deg sweep, 600mm |
| Stem | Cannondale, 6061 alloy, 31.8, 12 deg |
| Saddle | Cannondale Fitness Women’s Ergo |
| Seatpost | Cannondale C4, 6061 Alloy, 27.2x350mm |
| Hubs | Alloy, sealed, loose ball bearings, QR, 32h |
|---|---|
| Rims | Cannondale C4, double wall, 32-hole |
| Spokes | Stainless, 14g |
| Front Tire | Duro 7044, 700x35c |
| Rear Tire | Duro 7044, 700x35c |
| Wheel Size | 700c |
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
| Measurement | S | M | T |
|---|---|---|---|
| Seat tube | 350 mm | 400 mm | 450 mm |
| Effective top tube | 542 mm | 557 mm | 573 mm |
| Head tube | 109 mm | 134 mm | 160 mm |
| Head-tube angle | 70° | 70° | 70° |
| Seat-tube angle | 73° | 73° | 73° |
| Chainstay / rear center | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1036 mm | 1053 mm | 1070 mm |
| Bottom-bracket drop | 68 mm | 68 mm | 68 mm |
| Bottom-bracket height | 277 mm | 277 mm | 277 mm |
| Reach | 380 mm | 388 mm | 396 mm |
| Stack | 530 mm | 554 mm | 578 mm |
| Standover height | 648 mm | 690 mm | 731 mm |
| Fork offset / rake | 55 mm | 55 mm | 55 mm |
| Front center | 610 mm | 627 mm | 644 mm |
| Trail | 67 mm | 67 mm | 67 mm |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Parts & serviceability

27.2x350mm
Replacement option · verify fit
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Archived: 2018 Cannondale Quick 8 Women’s · City/Commuter · Published sizes: S, M, T
Archived: Frame: Quick Step-Thru, SmartForm C3 Alloy, SAVE, 1-1/8” headtube · Fork: Quick, Cromoly, 1-1/8” steerer, 55mm offset
Archived: Shifters: Shimano EF41, 3x7 · Front derailleur: Shimano Tourney, 31.8 clamp · Rear derailleur: Shimano Acera, 7-speed · Crankset: Prowheel 48/38/28 · Bottom bracket: Tange Cartridge · Rear cogs: Sunrace MFM2A, 7-speed · Chain: KMC Z51, 7-speed
Archived: Brakes: Cannondale Mini V, Cartridge Pads
Archived: Wheel size: 700c · Rims: Cannondale C4, double wall, 32-hole · Hubs: Alloy, sealed, loose ball bearings, QR, 32h · Front tire: Duro 7044, 700x35c · Rear tire: Duro 7044, 700x35c
Archived: Headset: FSA Si 1-1/8” · Handlebar: Cannondale C4, 6061 Alloy, 20mm rise,10 deg sweep, 600mm · Stem: Cannondale, 6061 alloy, 31.8, 12 deg · Seatpost: Cannondale C4, 6061 Alloy, 27.2x350mm · Saddle: Cannondale Fitness Women’s Ergo · Pedals: Cannondale Fitness Reinforced Composite
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.