Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 27.5" -
Travel Front 100mm -
Fork RockShox 30 Silver TK
-
Groupset X7, SRAM -
Suspension Hardtail -
Drivetrain 2 × 10 -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
27.5"/29” 650B Hardtail X6, Butted Custom Drawn Tubing, 1.5 Tapered Head-Tube,
Suspension Fork
SRAM/Rock Shox 30 Gold TK 27.5"/29” Solo Air, 100mm Travel, External Rebound & Lock-Out
Drivetrain
Shift Levers
SRAM X7, 2x10 Trigger
Cassette
SRAM PG-1030, 11-36T
Crank
SRAM S1000, 2X10 39/26T
Chain
KMC X10
Wheels
Front Hub
Crucial Alloy Disc w/ QR
Rear Hub
Crucial Alloy Disc Cassette w/ QR
Spokes
Stainless 14G Black w/ 2 Painted At P/V
Tires
Kenda Small Black-8, 27.5”/29”x 2.1", P/V, Folding 6O TPI
Brakes
Brakes
SRAM Guide R Hydraulic, 180mm Rotor
Cockpit
Stem
Kore XCD 3D Forged, 6 Deg, 31.8mm Bar Bore
Handlebar
Kore XCD 1 Flat, 710mm Length, 31.8mm Bar Bore
Grips
Velo Dual Compound Single Clamp Silver
Headset
Kore Integrated 1.5" Tapered
Seat
Saddle
Kore Coram, Abrasive Corners, Steel Rail
Seatpost
Kore XCD1, 31.6mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LRG | XL |
|---|---|---|---|---|
| Bottom Bracket Height | 310 mm | 310 mm | 310 mm | 310 mm |
| Front Center | 630 mm | 665 mm | 690 mm | 710 mm |
| Top Tube Length | 567 mm | 592 mm | 617 mm | 637 mm |
| Seat Tube Angle | 72.5 ° | 72.5 ° | 72.5 ° | 72.5 ° |
| Seat Tube Length | 380 mm | 430 mm | 480 mm | 530 mm |
| Head Tube Angle | 69.5 ° | 69.5 ° | 69.5 ° | 69.5 ° |
| Head Tube Length | 110 mm | 110 mm | 110 mm | 125 mm |
| Chainstay Length | 432 mm | 432 mm | 432 mm | 432 mm |
| Wheelbase | 1058 mm | 1092 mm | 1117 mm | 1138 mm |
| Bottom Bracket Drop | 45 mm | 45 mm | 45 mm | 45 mm |
| Wheels | 27" | 27" | 27" | 27" |
Model Overview
Brass Monkey 4 – 27.5 completes the K2 Brass model. K2 released 12 bikes variations of this model so far. Check out the entire range from 2015 of this model, by clicking this link.
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.
Crosscountry bikes average price
According to our calculations, the average cost of a Crosscountry bike that is reliable is 1905$. However, even if your budget is less than the average, you might still be able to get a top-quality Crosscountry bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Brass Monkey 4 – 27.5 components
Fork
This bike has the RockShox 30 Silver TK fork installed. The fork’s travel is 100mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Wheels
As for the wheels, K2 Brass Monkey 4 – 27.5 2015, has a 27.5″ model. These wheels will provide you with more control over the bike. However, these wheels have a slower top speed if you compare them to 29″ wheels.
Brakes
For your safety, it is important to have quality breaks on your bike. K2 Brass Monkey 4 – 27.5 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.