Roll Sport
A 650b aluminum frame comfort bike with mid-range components and mechanical disc brakes.
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Manufacturer Price
$610Frame | Aluminum |
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Suspension | Rigid |
Fork | Steel |
Wheels | 650b Aluminum |
Drivetrain | 3 × 7 |
Groupset | Tourney, Shimano |
Brakes | Mechanical Disc |
For This Bike
5'2" – 5'8"
5'6" – 5'11"
5'10" – 6'3"
6'1" – 6'7"
🐐 Estimated
None yet.
Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.
Mar 2020 · Adrienne Donica
This ultra-comfortable hybrid bike has some premium features but won’t break the bank.
Comfy saddle
Stable tires
Upright position
Not very fast
Frame | Specialized A1 Premium Aluminum, Ground Control Positioning, formed tubes, post mount disc, fender/rack mounts BB Standard: BSA, Threaded |
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Fork | Steel, IS mount disc, fender/rack mounts |
Bottom Bracket | BSA, square taper, cartridge bearings |
Stem | Forged alloy, 17-degree rise, 31.8mm clamp |
Handlebar | Specialized Roll, 6061 alloy, 15-degree backsweep, 125mm rise, 31.8mm |
Saddle | Body Geometry "The Cup," 6-degree rise, steel rails, 245mm |
Seatpost | Spring suspension, alloy, 27.2mm, 2-bolt clamp Type: Suspension |
Pedals | Specialized City, platform |
Grips | Specialized Body Geometry Contour, lock-on |
Rear Derailleur | Shimano Tourney, 7-Speed |
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Front Derailleur | Shimano Tourney, top swing, 31.8mm clamp |
Crank | Forged alloy, square taper, 48/38/28T w/ chainguard |
Shifters | Shimano EF510, Ez-Fire Plus, 7-speed |
Cassette | Shimano Tourney freewheel, 7-speed, 14-34t |
Chain | KMC Z51, 7-speed |
Brakes | Front: Tektro, mechanical disc, resin pads, 160mm, Rear: Tektro, mechanical disc, resin pads, 160mm Type: Mechanical Disc |
Rims | Double-wall, disc-specific, 32h front/ 36h rear |
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Spokes | Stainless, 14g |
Front Hub | Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h |
Rear Hub | Alloy, 7-speed freewheel, 6-bolt disc, loose ball bearings, quick-release, 36h |
Tires | Front: Nimbus Sport, 60 TPI, BlackBelt protection, 650b x 2.3", Rear: Nimbus Sport, 60 TPI, BlackBelt protection, 650b x 2.3" |
Last updated May 1
Not listed for 1,501 days