2020 Jamis

DXT A1

A 700c aluminum frame fitness bike with modest components and hydraulic disc brakes.
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MSRP$799
Weight30.0 lbs  
FrameAluminum
SuspensionHardtail, 75mm
ForkSuntour NVX
Wheels700c Aluminum
Drivetrain2 × 9
GroupsetAltus, Suntour
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
DXT A1
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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

DXT A1

35 mph

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Highest gear

(descending)

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Size Specific Design Triple-butted 6061 aluminum with redesigned rear triangle, 1 1/8” head tube, oval chain stays with post mount disc brake, 34.9mm seat tube, replaceable derailleur hanger and fender/rack eyelets

Fork

SR/Suntour SF15-NVX HLO, aluminum lowers, coil spring, 28mm stanchions, 1-1/8" steerer, aluminum crown, hydraulic lock out, 75mm travel

Travel75mm

Spring TypeCoil

Bottom Bracket

FSA sealed cartridge, 68 x 110.5mm

Headset

FSA Internal cup, threadless 1 1/8”

Stem

Jamis Trekking, 3D forged alloy, 10˚ rise, 90mm (15-17”), 105mm (19/21/23")

Handlebar

Jamis Riser bar, 6061 double-butted aluminum, 31.8 x 20mm rise x 10˚ sweep x 600mm

Saddle

Selle Royal Seta M1 with integrated clip system

Seatpost

Jamis alloy micro-adjust, 31.6 x 350mm alloy clamp with QR seatpin

TypeRigid

Pedals

Full alloy platform, toe clip attachable

Grips

Anatomic double density kraton grip with gel

Groupset
Rear Derailleur

Shimano Altus RD-M2000 SGS

Front Derailleur

Altus FD-M2020 top swing

Crank

SR/Suntour XCM 36/22T, 170mm (15-17”), 175mm (19-23”)

Shifters

Shimano Altus RapidFire SL-M2010, 18-speed

Cassette

Shimano HG200 9-speed, 11-36T

Chain

KMC Z9

Brakes

Tektro HD-M275/276 hydraulic disc brakes with 160mm rotors and Tektro brake levers. 15" M276 (83mm reach); 17-23" M275 (88mm reach)

TypeHydraulic Disc

Wheels
Rims

WTB STX i23 TCS (UST Tubeless Compliant System) disc rims, 32H, Joytec disc hubs and 14g stainless steel spokes

Tires

CST Dual Sport Tire, 700 x 42c

Rider Notes
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Last updated July 31
Not listed for 1,352 days