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2025 Diamondback

Zest

A 650b aluminum frame comfort bike with modest components and tektro rim brakes.
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Manufacturer Price

$765
FrameAluminum
SuspensionHardtail, 80mm
ForkSuntour XCT
Wheels650b Aluminum
Drivetrain3 × 7
GroupsetTourney, Altus
BrakesTektro Rim
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

28 mph

Zest

29 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Specs
Build
Frame

Custom AL-6061 Aluminum Alloy with "True Comfort" Geometry

Fork

SR Suntour XCT, 80mm travel

Travel80mm

Spring TypeCoil

Bottom Bracket

Sealed Cartridge Bearing

Headset

Threaded 1-1/8"

Stem

Alloy Quill 25.4, 80mm Extension, 30 Deg Rise

Handlebar

Steel Comfort Width: 640mm Rise: 50mm

Saddle

IZIP Comfort Plush

Seatpost

Alloy Micro Adjust Suspension 27.2x350mm

TypeSuspension

Pedals

IZIP Comfort Platform

Grips

IZIP Comfort Grip

Groupset
Rear Derailleur

Shimano Altus M310

Front Derailleur

Shimano Tourney TY510

Crank

Prowheel 48/38/28t

Shifters

Shimano Revo Shift SL-RS35 7spd / 3spd

Cassette

DMP LY-1007CHJ, 7-spd Wide Range (14-34t)

Chain

KMC Z7

Brakes

Tektro RS374A Alloy 4-finger

TypeTektro Rim

Brake Levers

Tektro RS374A Alloy 4-finger

Wheels
Rims

DBM-2 Alloy Double Wall, 27.5"

Spokes

14g Stainless Steel, w/ Brass Nipples

Front Hub

Formula Alloy Quick Release 36h

Rear Hub

Formula Alloy Quick Release 36h

Tires

Vee Tire Co. Speedster, 27.5x1.95

Rider Notes
Riders Also Viewed

First added April 27

Last updated January 17

Not listed for 132 days