Image of Transition Spire Alloy NX
2021

Transition Spire Alloy NX

Transition Spire 2021

3999

Enduro

Colour / Raw, Factory Orange

Size / SM (high, low), MD (high, low), LG (high, low), XL (high, low), XXL (high, low)

Manufacturer Website

At a glance

The 2021 Transition Spire Alloy NX is an Enduro Aluminium / Alloy mountain bike. It sports 29" wheels, is priced at $3,999 USD, comes in a range of sizes, including SM (high, low), MD (high, low), LG (high, low), XL (high, low), XXL (high, low), has Marzocchi suspension and a SRAM drivetrain. The bike is part of Transition's Spire range of mountain bikes.

- GiddyUp rear suspension design

- Geometry adjustable via flip chip at lower shock mount

- Includes tubeless valves and Stan’s NoTubes tire sealant

- Internal cable routing

- SRAM UDH (Universal Derailleur Hanger)

Where To Buy

Reviews

Specifications

Frameset
  • Frame
    6061 heat-treated alloy; molded chainstay, seatstay, and down tube protection
  • Fork
    Marzocchi Bomber Z1 Air, 44mm offset, 170mm
  • Shock
    FOX FLOAT X Performance, 2-position damper, trunnion mount, 205mm x 65mm
Wheels
  • Hubs
    Novatec, D791SB 110x15mm Boost front, D902SB 148x12mm Boost rear with HG driver
  • Wheels
    Stan's NoTubes Flow D
  • Wheel Size
    29"
  • Spokes
    Pillar, double-butted
  • Tires
    Front: Schwalbe Magic Mary, Super Trail, Addix Soft, 29"" x 2.4"
    Rear: Schwalbe Big Betty, Super Trail, Addix Soft, 29" x 2.4"
Drivetrain
  • Chain
    446mm, 448mm, 452mm, 454mm, OneUp upper slider with bashguard, Truvativ Descendent 6K, 30 tooth, SRAM NX Eagle, 12-speed
  • Crank
    Truvativ Descendent 6K DUB, 165mm length
  • Bottom Bracket
    350mm (25mm drop), 343mm (32mm drop), 73mm English/BSA threaded
  • Rear Derailleur
    SRAM NX Eagle, 12-speed
  • Shifters
    SRAM NX Eagle, 12-speed, MMX bracket
Components
  • Brakeset
    SRAM Code R, 4-piston calipers, SRAM CenterLine rotors (220mm front, 200mm rear), SRAM Code R
  • Handlebar
    Race Face Chester, 780mm width, 35mm clamp diameter, Rise: 20mm (SM), 35mm (MD-XXL)
  • Saddle
    ANVL Forge Cromo
  • Seatpost
    OneUp dropper, 31.6mm, Single bolt, 34.9mm, 31.6mm, Single bolt, 34.9mm
  • Stem
    Race Face Aeffect R, 40mm length, 35mm bar clamp
  • Grips
    Sensus Lite
  • Headset
    FSA No.55R/57

FAQ

Q: How much is a 2021 Transition Spire Alloy NX?

A 2021 Transition Spire Alloy NX is typically priced around $3,999 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 2021 Transition Spire Alloy NX?

The 2021 Transition Spire Alloy NX may be purchased directly from Transition.

Q: What size wheels does the 2021 Transition Spire Alloy NX have?

The 2021 Transition Spire Alloy NX has 29" wheels.

Q: What size 2021 Transition Spire Alloy NX should I get?

The 2021 Transition Spire Alloy NX comes in sizes SM (high, low), MD (high, low), LG (high, low), XL (high, low), XXL (high, low). After measuring your height, use the size chart below to find the typical Transition Spire Alloy NX size for your height. Remember that these sizes are a general guide and bike sizes can vary between riders and bikes. The best way to find your size is to go for a test ride.

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

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