Niner SIR 9 – 5-Star X01 Eagle – 29 2019
2019 Mountain
Estimate price |
6,500$
Weight | 11.6 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Steel -
Wheels 27.5" / 29" -
Travel Front 120mm -
Fork Fox Factory Float 34
-
Groupset X01 Eagle, X1 -
Suspension Hardtail -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
SM
158cm - 171cm
MD
168cm - 180cm
MD
168cm - 180cm
LG
178cm - 189cm
LG
178cm - 189cm
XL
186cm - 199cm
XL
186cm - 199cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Reynolds 853 air hardened steel, welded
Suspension Fork
FOX 34 SC FLOAT FACTORY FIT4 EVOL, 3 POSITION W/ ADJ, KASHIMA COAT, 120MM, 110X15MM, 51MM OFFSET
Rear Shock
N/A
Drivetrain
Rear Derailleur
SRAM X01 EAGLE 12SP
Front Derailleur
N/A
Shift Levers
SRAM X01 EAGLE 12SP
Cassette
SRAM EAGLE XG 1295, 10-50T
Crank
SRAM X1 EAGLE CARBON DUB 32T CNC RING
Bottom Bracket
73mm PF30 BB Shell (Adapters Required For BSA Type BBs); compatible with Biocentric 30 BB
Chain
SRAM X01 EAGLE 12SP
Wheels
Rims
Boost 12x148mm
Tires
MAXXIS MINION DHF 3C/EXO/TR 29x2.5 WT FRONT
Brakes
Brakes
SRAM GUIDE RSC
Brake Levers
SRAM GUIDE RSC
Disk Rotors
180/160 SRAM CENTERLINE ROTORS
Cockpit
Stem
RACE FACE TURBINE R 40MM, 35MM CLAMP
Handlebar
RACE FACE NEXT R 800MM WIDE, 20MM RISE, 35MM CLAMP
Grips
NINER GRRRIPS L/O FLANGED
Headset
NINER INTERNAL ZS SHIS DESCRIPTION ZS44/28.6|ZS56/40
Seat
Saddle
NINER CUSTOM TR WITH CRN-TI RAILS, PRINTED NINER GRAPHIC
Seatpost
KS LEV INTEGRA
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | SM | MD | MD | LG | LG | XL | XL |
|---|---|---|---|---|---|---|---|---|
| Wheels | 27" | 29" | 27" | 29" | 27" | 29" | 27" | 29" |
| Rider Min Height | 158 cm | 158 cm | 168 cm | 168 cm | 178 cm | 178 cm | 186 cm | 186 cm |
| Rider Max Height | 171 cm | 171 cm | 180 cm | 180 cm | 189 cm | 189 cm | 199 cm | 199 cm |
Model Overview
SIR 9 – 5-Star X01 Eagle – 29 is a Niner Sir model. 44 bikes variations carry this model name so far. You can easily view all of the Niner Sir bikes models from 2019, here.
Model range prices
Niner SIR 9 – 2-Star NX Eagle – 27.5+ 2019 is the most economical model, with a starting price of 2600$. Niner SIR 9 – 5-Star X01 Eagle – 29 2019 on the other hand costs 6500$, and is the most expensive model.
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.
Average price for Trail bikes
According to our math, the average price for a trustworthy Trail bike is 2762$. However, even if your budget is less than the average, you might still be able to get a top-quality Trail bike. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
Furthermore, this bike was made available in 2019 for 6500$. Doing a quick comparison, we notice that SIR 9 – 5-Star X01 Eagle – 29 price is 135.34% more expensive than the average cost of a Trail bike.
Trail bikes average weight
If we make a quick analysis of the average weight of a Trail bike, we get 12.98 kg (28.62 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
Niner SIR 9 – 5-Star X01 Eagle – 29 it’s weighing 11.6 kg (25.57 lbs). At this weight, is considerably lighter than average. In short, the average Trail bike weight is 11.9% higher than this one.
SIR 9 – 5-Star X01 Eagle – 29 components
Fork
The Fox Factory Float 34 is included from the factory. It has a travel distance of 120mm. Bike forks are great for shock absorption and provide you with a smooth ride. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Wheels
When leaving the production line, the SIR 9 – 5-Star X01 Eagle – 29 model has 27.5″ aluminum wheels. The 27.5″ wheels are a great choice for smaller riders. However, the 27.5″ wheels are less forgiving than the 29″ wheels.
Brakes
For your safety, it is important to have quality breaks on your bike. Niner SIR 9 – 5-Star X01 Eagle – 29 has Hydraulic Disc brakes installed. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, you can ride your bike with confidence.
Sizes
There are 8 sizes available for this model. Rider height can be anywhere between 158 cm – 199 cm (5.18 ft – 6.53 ft). In short, it won’t be difficult to find the right one for you.
Dropper post
A dropper post is included with the SIR 9 – 5-Star X01 Eagle – 29. Needless to say, a dropper post will come in handy on climbs and descends. You’ll fall in love with it at first sight!