RSD SERGEANT V4 Aluminum 27.5+ Adv. Build 2021
2021 Mountain
Estimate price |
2,249$
Weight | 13.55 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 27.5" -
Groupset Deore, Race Face -
Suspension Rigid -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
27.5+/29 Aluminum 6061
Suspension Fork
RSD Aluminum Rigid 510mm 51mm
Drivetrain
Rear Derailleur
Shimano Deore 12spd
Shift Levers
Shimano Deore 12spd
Cassette
Shimano Deore 10/51T 12spd
Crank
Race Face 175mm Aeffect 156mm DM
Bottom Bracket
Race Face 83mm BSA
Chain
Shimano Deore 12spd
Wheels
Rims
Sun Ringle Duroc 27.5x50mm Front 15x110mm Boost
Tires
Terrene Cake Eater 27.5 x 4.0
Brakes
Brakes
SRAM Level T
Disk Rotors
SRAM Centreline 180mm
Cockpit
Stem
FSA Comet 35 50mm
Handlebar
Race Face Chester 35 780mm
Grips
Lizard Skin Northshore
Headset
Cane Creek ZS44/28.6 Top & EC44/40 Bottom
Seat
Saddle
Cionlli 142mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL | XXL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.5 mm | 1.4 mm | 1.36 mm | 1.36 mm | 1.35 mm |
| Bottom Bracket Height | 320 mm | 320 mm | 320 mm | 320 mm | 320 mm |
| Front Center | 741 mm | 783 mm | 804 mm | 828 mm | 849 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 71 mm | 89 mm | 91 mm | 91 mm | 92 mm |
| Stack | 622 mm | 632 mm | 641 mm | 659 mm | 677 mm |
| Reach | 415 mm | 452 mm | 470 mm | 485 mm | 500 mm |
| Top Tube Length | 592 mm | 632 mm | 652 mm | 672 mm | 692 mm |
| Seat Tube Angle | 74 ° | 74 ° | 74 ° | 74 ° | 74 ° |
| Seat Tube Length | 390 mm | 410 mm | 440 mm | 470 mm | 490 mm |
| Head Tube Angle | 66.5 ° | 65.5 ° | 65.5 ° | 65.5 ° | 65.5 ° |
| Head Tube Length | 90 mm | 100 mm | 110 mm | 130 mm | 150 mm |
| Chainstay Length | 447 mm | 447 mm | 447 mm | 447 mm | 447 mm |
| Wheelbase | 1184 mm | 1226 mm | 1247 mm | 1271 mm | 1293 mm |
| Bottom Bracket Drop | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm |
| Standover Height | 694 mm | 712 mm | 717 mm | 721 mm | 732 mm |
| Wheels | 27" | 27" | 27" | 27" | 27" |
About this model
SERGEANT V4 Aluminum 27.5+ Adv. Build belongs to the Rsd Sergeant model. 16 bikes variations carry this model name so far. You can get a glimpse at all models from 2021, by clicking on this link.
Model range prices
RSD SERGEANT V4 Aluminum 29in Build 2021 is the most economical model, with a starting price of 2249$. RSD SERGEANT V4 Aluminum 27.5+ Build 2021 on the other hand costs 2249$, and is the most expensive model.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Average price for Trail bikes
If you want an acceptable Trail bike you should know that the average price is 2762$. However, you could also get a good Trail bike even if you pay a lower amount than the average price. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
When RSD released this model in 2021, its price was 2249$. Comparing this to the average Trail bike price, we see that the price is 22.81% smaller.
Average weight for Trail bikes
On a deeper look, we notice that the average weight of a Trail bike is 12.98 kg (28.62 lbs). Having an easier bike than average will give you a great advantage on climbs. However, a heavier bike will gain more speed on descends.
Weighing 13.55 kg (29.87 lbs), the SERGEANT V4 Aluminum 27.5+ Adv. Build model is slightly heavier than average. To sum up, it’s 4.39% heavier than the average weight of Trail bikes.
SERGEANT V4 Aluminum 27.5+ Adv. Build components
Fork material
The fork is made out of aluminum, which is a lighter material. However, it is not as tough, nor durable as steel is.
Wheels
When it comes to wheels, the SERGEANT V4 Aluminum 27.5+ Adv. Build bike is equipped with the 27.5″ aluminum model. 27.5″ wheels are a mixture between 29″ wheels and 26″ wheels. However, these wheels have a slower top speed if you compare them to 29″ wheels.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, you can ride your bike with confidence.