At a glance
The 2021 Transition Spire Alloy XT is an Enduro Aluminium / Alloy mountain bike. It sports 29" wheels, is priced at $5,599 USD, comes in a range of sizes, including S, M, L, XL, XXL, has Fox suspension and a Shimano drivetrain. The bike is part of Transition's Spire range of mountain bikes., Geo adjust chip at the lower shock mount for high and low geometry settings, 56mm/56mm press in headset cups are compatible with reach adjust headsets when used with a dual crown fork, Molded rubber frame protection on the downtube, chainstay, and seatstay, Internal dropper and rear derailleur cable routing in downtube and chainstay, external rear brake cable routing, GiddyUp suspension layout is tuned to work with both air and coil rear shocks, Enduro Max sealed bearings with bearing shields on main pivot, Stock 170mm rear travel with a 65mm stroke shock, optional 160mm rear travel with a 60mm stroke shock, 27%-33% suggested sag range, SBG geometry and size-specific chainstays, SRAM UDH derailleur hanger, Accessory mount on underside of top tube
Where To Buy
Transition
Transition Spire Alloy XTReviews
Specifications
Frameset
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FrameFull 6061 aluminum (front triangle, rear triangle, and rocker)
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ForkFOX FLOAT 38 GRIP2 Factory, 44mm offset, 170mm
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ShockFOX FLOAT X2 Factory, 2-position, 205mm x 65mm
Wheels
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HubsDT Swiss 350 Straight Pull 36SL
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WheelsDT Swiss EX 1700 SPLINE 30
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Wheel Size29"
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SpokesDT Swiss Competition
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TiresFront: Schwalbe Magic Mary, Super Trail, Soft, 29"x2.4"
Rear: Schwalbe Big Betty, Super Trail, Soft, 29"x2.4"
Drivetrain
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Chain446, 448, 452, 454, OneUp Components Bash Guide, 30 tooth, Shimano XT M8100
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CrankShimano XT M8100, 165mm
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Bottom Bracket350, 343, 73mm BSA threaded
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Rear DerailleurShimano XT M8100
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ShiftersShimano XT M8100
Components
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BrakesetShimano XT M8120 with Shimano RT86 203mm rotors, Shimano XT M8120
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HandlebarANVL Mandrel Alloy 35, 800x20mm (S), 800x30mm (M-XL), 800x40mm (XXL)
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SaddleANVL Forge Cromo
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SeatpostOneUp Components Dropper, 31.6mm, 34.9mm standard single bolt, 31.6mm, 34.9mm standard single bolt
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StemANVL Swage, 40mm
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GripsSensus Lite
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HeadsetFSA. No.55R/57, 56mm/56mm press-in cups, zero stack
FAQ
Q: How much is a 2021 Transition Spire Alloy XT?
A 2021 Transition Spire Alloy XT is typically priced around $5,599 USD when new. Be sure to shop around for the best price, and also look to the used market for a great deal.
Q: What size wheels does the 2021 Transition Spire Alloy XT have?
The 2021 Transition Spire Alloy XT has 29" wheels.
Q: What size 2021 Transition Spire Alloy XT should I get?
The 2021 Transition Spire Alloy XT comes in sizes S, M, L, XL, XXL. After measuring your height, use the size chart below to find the typical Transition Spire Alloy XT 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 |
Discussion
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