Name: Transition Spire Carbon Frameset 2026
Brand: Transition
Price: 3199.0 USD
Availability: InStock

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Transition Spire
Carbon Frameset

Frameset · Enduro · 170mm · 29" · Carbon · RockShox Vivid Ultimate

Included Rear Shock

RockShox Vivid Ultimate

205×65mm

Included Headset

FSA No.55R/57

ZS56 upper/lower

Overview Specs

About This Frame

The Transition Spire Carbon Frameset is a 170mm-travel enduro frameset built around Japanese Toray fiber front and rear triangles with an EPS molding process and GiddyUp four-bar Horst-Link rear suspension. This is Transition's biggest-travel trail weapon -- confident, planted, and ready for the steepest, roughest terrain.

Supplied with a RockShox Vivid Ultimate rear shock (205x65mm, trunnion mount) and FSA headset. Rear travel can be decreased to 160mm with a 60mm-stroke shock, and the frame is compatible with coil shocks and dual-crown forks. Molded chainstay, seatstay, and downtube protection throughout.

Highlights

Japanese Toray carbon front and rear triangles -- EPS molding process
170mm rear travel -- GiddyUp four-bar Horst-Link suspension
RockShox Vivid Ultimate rear shock (205x65mm, trunnion mount)
Geometry adjustable via two-position flip chip at lower shock mount
Rear travel reducible to 160mm with 60mm-stroke shock
Compatible with coil shocks and dual-crown forks
Molded chainstay, seatstay, and downtube protection
Internal cable routing with guide tubes, SRAM UDH
Includes FSA No.55R/57 headset
Lifetime frame warranty

Frame

Intended Use

Enduro

Material

Carbon fiber -- Japanese Toray front and rear triangles, EPS molding process, molded chainstay/seatstay/downtube protection

Rear Travel

170mm -- GiddyUp four-bar Horst-Link; reducible to 160mm with 60mm-stroke shock

Wheel Size

29"

Sizes

SM, MD, LG, XL, XXL -- two-position flip chip (High/Low)

Rear Shock

Shock

RockShox Vivid Ultimate -- 205x65mm, trunnion mount

Compatibility

Coil shock and dual-crown fork compatible

Geo Adjust

Two-position flip chip at lower shock mount

Frame Standards

Head Tube

Straight, 56mm

Headset

Included -- FSA No.55R/57, ZS56 upper/lower

Bottom Bracket

73mm English/BSA threaded

Rear Dropout

12x148mm Boost

Front Derailleur

Not compatible -- 1x-specific

Derailleur Hanger

SRAM UDH

Seatpost

31.6mm

Max Tire Size

29x2.6"

ISCG Tabs

ISCG05

Bottle Mounts

One inside front triangle, plus accessory mounts under top tube

Details

Routing

Internal with guide tubes for rear derailleur cable

Warranty

Lifetime frame

Shipping Policy

Components:

All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 2-5 business days of purchase.

Bicycles:

Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.

Riding Gear & Apparel:

Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 2-5 business days.

Returns & Exchanges:

If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.

For full details, please see our Refund Policy before initiating a return.

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Prepared with intention.

Every product is carefully inspected and handled by our team before it ships. From fit and function to final details, we make sure each piece is ready for the outdoors ahead—so you can focus on the experience, not the gear.

Passion drives us

At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.

Spire Carbon Frameset 2026

Shipping Policy

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