Transition Spire Carbon GX 2021
2021 Mountain
Estimate price |
5,999$
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 29" -
Travel Front 170mm -
Travel Rear 170mm -
Fork RockShox ZEB Ultimate
-
Groupset GX Eagle -
Suspension Full -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM High
154cm - 170cm
SM Low
154cm - 170cm
MD High
164cm - 182cm
MD Low
164cm - 182cm
LG High
175cm - 190cm
LG Low
175cm - 190cm
XL High
184cm - 200cm
XXL Low
190cm - 207cm
XL Low
184cm - 200cm
XXL High
190cm - 207cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Spire Carbon 170mm
Suspension Fork
RockShox ZEB Ultimate, 170mm Travel/44mm Offset
Rear Shock
RockShox Super Deluxe, Ultimate Air (205x65)
Drivetrain
Rear Derailleur
SRAM GX Eagle
Shift Levers
SRAM GX Eagle
Cassette
SRAM XG 1275 (10-52t)
Crank
SRAM GX Alloy DUB (30t/165mm)
Chain
SRAM GX Eagle
Chain Guide
OneUp Bash Guide
Wheels
Front Hub
Stans Neo Durasync
Rear Hub
Stans Neo Durasync
Rims
Stans Flow S1
Spokes
Sapim Race Double Butted
Tires
Front: Schwalbe Magic Mary, Super Trail, Soft (29x2.4), Rear: Schwalbe Big Betty, Super Trail, Soft (29x2.4)
Brakes
Brakes
SRAM Code RSC
Disk Rotors
SRAM Centerline (220mm/200mm)
Cockpit
Stem
ANVL Swage (40mm)
Handlebar
ANVL Mandrel Alloy 35, SM (800x20), MD/LG/XL (800x30), XXL (800x40)
Grips
Sensus Lite
Headset
FSA NO.55R/57
Seat
Saddle
ANVL Forge Cromo
Seatpost
OneUp Dropper Post
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM High | SM Low | MD High | MD Low | LG High | LG Low | XL High | XXL Low | XL Low | XXL High |
|---|---|---|---|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.45 mm | 1.47 mm | 1.35 mm | 1.38 mm | 1.3 mm | 1.32 mm | 1.25 mm | 1.23 mm | 1.27 mm | 1.21 mm |
| Bottom Bracket Height | 350 mm | 343 mm | 350 mm | 343 mm | 350 mm | 343 mm | 350 mm | 343 mm | 343 mm | 350 mm |
| Front Center | 782 mm | 783 mm | 812 mm | 813 mm | 842 mm | 843 mm | 871 mm | 902 mm | 872 mm | 901 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 141 mm | 146 mm | 141 mm | 146 mm | 141 mm | 145 mm | 141 mm | 146 mm | 146 mm | 141 mm |
| Stack | 613 mm | 618 mm | 613 mm | 618 mm | 622 mm | 627 mm | 631 mm | 645 mm | 636 mm | 640 mm |
| Reach | 424 mm | 419 mm | 454 mm | 449 mm | 479 mm | 474 mm | 504 mm | 524 mm | 499 mm | 529 mm |
| Top Tube Length | 541 mm | 544 mm | 571 mm | 574 mm | 599 mm | 602 mm | 627 mm | 628 mm | 630 mm | 655 mm |
| Seat Tube Angle | 79.6 ° | 79.1 ° | 78.8 ° | 78.3 ° | 78.1 ° | 77.6 ° | 77.5 ° | 76.7 ° | 77 ° | 77.2 ° |
| Seat Tube Length | 360 mm | 360 mm | 390 mm | 390 mm | 430 mm | 430 mm | 460 mm | 490 mm | 460 mm | 490 mm |
| Head Tube Angle | 63 ° | 62.5 ° | 63 ° | 62.5 ° | 63 ° | 62.5 ° | 63 ° | 62.5 ° | 62.5 ° | 63 ° |
| Head Tube Length | 100 mm | 100 mm | 100 mm | 100 mm | 110 mm | 110 mm | 120 mm | 130 mm | 120 mm | 130 mm |
| Chainstay Length | 440 mm | 442 mm | 440 mm | 442 mm | 440 mm | 442 mm | 446 mm | 448 mm | 448 mm | 446 mm |
| Wheelbase | 1221 mm | 1223 mm | 1251 mm | 1253 mm | 1281 mm | 1283 mm | 1316 mm | 1348 mm | 1318 mm | 1346 mm |
| Bottom Bracket Drop | 25 mm | 32 mm | 25 mm | 32 mm | 25 mm | 32 mm | 25 mm | 32 mm | 32 mm | 25 mm |
| Standover Height | 679 mm | 674 mm | 694 mm | 689 mm | 709 mm | 704 mm | 724 mm | 734 mm | 719 mm | 739 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" | 29" | 29" | 29" | 29" | 29" |
| Rider Min Height | 154 cm | 154 cm | 164 cm | 164 cm | 175 cm | 175 cm | 184 cm | 190 cm | 184 cm | 190 cm |
| Rider Max Height | 170 cm | 170 cm | 182 cm | 182 cm | 190 cm | 190 cm | 200 cm | 207 cm | 200 cm | 207 cm |
Model Overview
Spire Carbon GX belongs to the Transition Spire model. There are 28 bikes that carry this model name. Check out the entire range from 2021 of this model, by clicking this link.
Model range prices
Transition Spire Alloy Deore 2021 is the cheapest bike model and costs 3799$. Transition Spire Carbon XT 2021 is the most expensive one and costs 6699$.
Safety
When cycling always take safety very seriously. Wear a helmet, obey the traffic rules and wear hi-vis clothes. In short, take care of yourself so others can take care of you.
Enduro bikes average price
If you want an acceptable Enduro bike you should know that the average price is 3599$. However, you could also get a good Enduro bike even if you pay a lower amount than the average price. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
This bike was released in 2021 and its price was 5999$. In conclusion, this bike price is 66.69% more expensive than the price of the average Enduro bike.
Spire Carbon GX components
Fork
The fork installed on this bike is the RockShox ZEB Ultimate model. The travel on this model is 170mm. Bike forks absorb the shocks and give you a smooth and pleasant ride. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.
Rear Shock
The Spire Carbon GX has a rear shock with a travel of 170mm. The model RockShox Super Deluxe is the one installed in this bike. Bike rear shocks are a great way to increase comfort on the bike and give you more control when riding on technical trails. To sum up, get a full-suspension bike if you want the smoothest rides.
Wheels
The wheels on Spire Carbon GX are the 29″ aluminum type. These wheels are more forgiving when you go over roots, rocks, bumps, or other obstacles you encounter on your ride. However, if you’re not a tall person, you might find it difficult to adapt to this wheel size.
Brakes
When you want to stop the bike in time, the brakes are vital. The Spire Carbon GX has Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, these are ideal for anyone.
Sizes
Transition Spire Carbon GX bike has 10 sizes, in the range of 154 cm – 207 cm (5.05 ft – 6.79 ft). In conclusion, it won’t take much to find one that’s right for you.
Dropper post
The Transition model is also equipped with a dropper post. If you are a technical rider, a dropper post is essential. A dropper post provides increased safety while riding. The lever system, allows you to move your saddle up and down, which is very useful on climbs and descends.