
SRAM PC-850 Chain One Color, 8 Speed
8 Speed
Replacement option · verify fit
Velopedia Bicycle Archive
Original specifications: Commuter Mix drivetrain · 26" wheels.
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At a glance
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | 6061-T6 alloy |
| Fork Material | Hi-tensile steel, unicrown crown |
| Component Group | Commuter Mix |
|---|---|
| Shifters | Shimano Revo |
| Crankset | Forged Alloy, 170mm, 44 teeth |
| Bottom Bracket | Sealed cartridge, 118mm spindle |
| BB Shell Width | 68mm |
| Cassette | Shimano Nexus |
| Rear Cogs | 8-speed, 20 teeth |
| Chain | KMC Z72 Rustproof, 1/2 x 1/8" |
| Pedals | Alloy Platform w/non-slip rubber tread |
| Brakes | Shimano Nexus BR-IM50 Roller Brake brakes, Shimano Nexus Alloy 4-finger levers |
|---|
| Headset | 1 1/8" integrated steel threaded |
|---|---|
| Handlebar | Alloy custom bend, 25.5" x 5" |
| Handlebar Extensions | Not included |
| Stem | Adjustable Forged Alloy 25.4mm Quill |
| Saddle | Ergonomic w/Soft Lycra |
| Seatpost | Alloy, 27.2mm diameter |
| Hubs | Front: Shimano Nexus HB-IM40, Rear: Shimano Nexus 8 speed Internal |
|---|---|
| Rims | Painted Double Wall Alloy, 32-hole/36-hole |
| Spokes | Stainless, 14ga. (2.0mm) |
| Spoke Nipples | Brass |
| Front Tire | 26 x 2.0" Electra Semi-Slick |
| Wheel Size | 26" wheels |
Parts & serviceability

8 Speed
Replacement option · verify fit

27.2mm, 0mm offset, 350mm long
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: 2010 Electra Townie Holiday 8i · Comfort/commuter · Published sizes: One size fits all
Archived: Frame: TIG-welded · Fork: · Hi-tensile steel, unicrown crown
Archived: Group: Commuter Mix · Shifters: Shimano Revo · Crankset: Forged Alloy, 170mm, 44 teeth · Bottom bracket: Sealed cartridge, 118mm spindle · Cassette: Shimano Nexus · Rear cogs: 8-speed, 20 teeth · Chain: KMC Z72 Rustproof, 1/2 x 1/8"
Archived: Brakes: Shimano Nexus BR-IM50 Roller Brake brakes, Shimano Nexus Alloy 4-finger levers
Archived: Wheel size: 26" wheels · Rims: Painted Double Wall Alloy, 32-hole/36-hole · Hubs: Front: Shimano Nexus HB-IM40, Rear: Shimano Nexus 8 speed Internal · Front tire: 26 x 2.0" Electra Semi-Slick
Archived: Headset: 1 1/8" integrated steel threaded · Handlebar: Alloy custom bend, 25.5" x 5" · Stem: Adjustable Forged Alloy 25.4mm Quill · Seatpost: Alloy, 27.2mm diameter · Saddle: Ergonomic w/Soft Lycra · Pedals: Alloy Platform w/non-slip rubber tread
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