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Diamondback Mason 1



Cross Country

Colour / Blue

Size / SM, MD, LG, XL

Manufacturer Website

At a glance

The 2020 Diamondback Mason 1 is an Cross Country Aluminium / Alloy mountain bike. It sports 27.5" wheels, is priced at $1,050 USD, comes in a range of sizes, including SM, MD, LG, XL, has SR Suntour suspension and a Shimano drivetrain. The bike is part of Diamondback's Mason range of mountain bikes.

• External cable routing, • Includes tool kit

Where To Buy


  • Frame
    6061-T6 weapons-grade aluminum; double-butted formed top tube, down tube, and seatstays
  • Fork
    SR Suntour XCR34, coil spring, 6061 forged alloy crown, 120mm
  • Shock
  • Hubs
    Alloy, 32 hole, 110x15mm Boost front, 141x9mm quick release rear with HG driver
  • Wheels
    Diamondback MD35, doublewall, 32 hole
  • Wheel Size
  • Spokes
    Stainless steel, 14g
  • Tires
    VEE Tire Co. Bulldozer, 27.5" x 3.0"
  • Chain
    435mm, None, Steel, 30 tooth, narrow/wide, KMC X10, 10-speed
  • Crank
  • Bottom Bracket
    330mm (55mm drop), Sealed cartridge bearings
  • Front Derailleur
  • Rear Derailleur
    Shimano Deore M6000, 10-speed, SHADOW RD
  • Shifters
    Shimano Deore M6000, 10-speed
  • Brakeset
    Tektro Aries, 2-piston mechanical disc, 180mm front rotor, 160mm rear rotor, Tektro Aries
  • Handlebar
    DB35 Alloy, 760mm width, 15mm rise, 35mm clamp diameter
  • Saddle
    DB Race M-series
  • Seatpost
    DB Alloy, micro adjust, 30.9mm, Quick release, 30.9mm, Quick release
  • Stem
    DB35 Alloy, 60mm length, 35mm bar clamp
  • Grips
    DB Flanged, 135mm, silcone
  • Headset
    FSA No. 57, sealed cartridge bearings


Q: How much is a 2020 Diamondback Mason 1?

A 2020 Diamondback Mason 1 is typically priced around $1,050 USD when new. Be sure to shop around for the best price, and also look to the used market for a great deal.

Q: Where to buy a 2020 Diamondback Mason 1?

The 2020 Diamondback Mason 1 may be purchased directly from Diamondback.

Q: What size wheels does the 2020 Diamondback Mason 1 have?

The 2020 Diamondback Mason 1 has 27.5" wheels.

Q: What size 2020 Diamondback Mason 1 should I get?

The 2020 Diamondback Mason 1 comes in sizes SM, MD, LG, XL. After measuring your height, use the below size chart to find the correct size Diamondback Mason 1 for your height.

Rider Height (cm)Rider Height (in)Frame Size
148cm - 158cm4'10" - 5'2"XS
158cm - 168cm5'2" - 5'6"S
168cm - 178cm5'6" - 5' 10"M
178cm - 185cm5'10" - 6'1"L
185cm - 193cm6'1" - 6'4"XL
193cm - 198cm6'4" - 6'6"XXL