Niner SIR 9 27.5+ 1-Star 2018
2018 Mountain
Estimate price |
2,300$
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Steel -
Wheels 27.5" -
Travel Front 120mm -
Fork RockShox Judy Gold RL
-
Groupset NX -
Suspension Hardtail -
Drivetrain 1 × 11 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Chromoly
Suspension Fork
RockShox Judy Gold RL Solo Air
Rear Shock
N/A
Drivetrain
Rear Derailleur
SRAM NX1, 11-speed
Front Derailleur
N/A
Shift Levers
SRAM NX1, 11-speed
Cassette
SRAM PG-1130, 11-42 tooth
Crank
SRAM NX1
Bottom Bracket
Pressfit
Chain
SRAM PC-1110, 11-speed
Chain Guide
N/A
Pedals
N/A
Wheels
Front Hub
Niner Alloy 27.5+, 15mm x 110mm, 12mm x 148mm
Rear Hub
Niner Alloy 27.5+, 15mm x 110mm, 12mm x 148mm
Rims
Niner Alloy 27.5+
Tires
Maxxis Rekon+ 2.8" EXO, dual compound, tubeless ready
Brakes
Brakes
SRAM Level, 180mm front / 160mm rear rotors
Brake Levers
SRAM Level
Cockpit
Stem
Race Face Aeffect R, 50mm length
Handlebar
Race Face Aeffect R, 780mm width, 20mm rise
Grips
Niner Grrrips, nylon flanges
Headset
Niner headset, zero-stack SHIS, ZS44/28.6, ZS56/40
Seat
Saddle
Niner Custom TR, chromoly rails, printed Niner graphic
Seatpost
Niner Alloy, 370mm length
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.5 mm | 1.46 mm | 1.43 mm | 1.41 mm |
| Bottom Bracket Height | 303 mm | 303 mm | 303 mm | 303 mm |
| Front Center | 696 mm | 714 mm | 740 mm | 767 mm |
| Rake | 54 mm | 53 mm | 54 mm | 54 mm |
| Trail | 85 mm | 86 mm | 85 mm | 85 mm |
| Stack | 607 mm | 616 mm | 630 mm | 648 mm |
| Reach | 406 mm | 421 mm | 441 mm | 461 mm |
| Top Tube Length | 591 mm | 599 mm | 623 mm | 648 mm |
| Seat Tube Angle | 74 ° | 74 ° | 74 ° | 74 ° |
| Seat Tube Length | 396 mm | 421 mm | 485 mm | 533 mm |
| Head Tube Angle | 68 ° | 68 ° | 68 ° | 68 ° |
| Head Tube Length | 100 mm | 110 mm | 125 mm | 145 mm |
| Chainstay Length | 423 mm | 423 mm | 423 mm | 423 mm |
| Wheelbase | 1114 mm | 1132 mm | 1158 mm | 1185 mm |
| Bottom Bracket Drop | 52 mm | 52 mm | 52 mm | 52 mm |
| Standover Height | 717 mm | 735 mm | 787 mm | 826 mm |
| Wheels | 27" | 27" | 27" | 27" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
Model Overview
SIR 9 27.5+ 1-Star is part of the Niner Sir model. There are 44 bikes that carry this model name. Take a sneak peek at all Niner Sir bikes models from 2018, by clicking here.
Model range prices
The most economical model, the Niner SIR 9 27.5+ 1-Star 2018 has a starting price of 2300$. Niner SIR 9 5-STAR 2018 on the other hand is the most expensive at 5950$.
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 calculations, the average cost of a Trail bike that is reliable is 2762$. However, even though the average price of a Trail bike is lower, you might still be able to get a top-quality bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Furthermore, this bike was made available in 2018 for 2300$. In conclusion, this bike price is 20.09% lower than the price of the average Trail bike.
Overview of components
Fork
The RockShox Judy Gold RL is included from the factory. It has a travel distance of 120mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Wheels size
The SIR 9 27.5+ 1-Star 2018 bike is equipped with 27.5″ aluminum wheels when leaving the factory. The 27.5″ wheels are a great choice for smaller riders. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The SIR 9 27.5+ 1-Star comes with Hydraulic Disc brakes. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, these are ideal for anyone.
Sizes
There are 4 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.