Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 20" -
Travel Front 80mm -
Fork SunTour XCM
-
Groupset Altus, microSHIFT -
Suspension Hardtail -
Drivetrain 1 × 8 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
One Size
111cm - 132cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Series 2 6061 Aluminum, 20” Wheels, Disc Specific, 135mm Dropouts
Suspension Fork
SR Suntour XCM 24 BOOST, 80mm Travel, 110mm Axle Spacing
Drivetrain
Rear Derailleur
Shimano Altus
Front Derailleur
-
Shift Levers
MicroSHIFT TS39, 8-Speed, Thumb-Tap
Cassette
Shimano 8-speed, 11-32T
Crank
Forged Alloy, Narrow Wide 30T, 140mm
Bottom Bracket
Sealed Cartridge Bearings, Square Taper
Chain
KMC X8
Pedals
Kids Specific Nylon Pedal
Wheels
Front Hub
Forged Aluminum, 32H, Disc Specific
Rear Hub
Forged Aluminum, 32H, Disc Specific
Rims
Marin, Double Wall Alloy, 25mm Internal
Tires
Vee Tire Crown Gem, 20x2.6”, Wire Bead
Brakes
Brake Levers
Tektro Kid's Specific Short Reach Lever for Hydraulic Brake
Cockpit
Stem
Marin Alloy, 35mm
Handlebar
Marin Riser, 31.8 clamp, 30mm Rise, 590mm Width
Grips
Marin MTB
Headset
FSA No. 57E
Seat
Saddle
Marin Kids MTB
Seatpost
Marin Alloy, 30.9mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | One Size |
|---|---|
| Stack Reach Ratio | 1.64 mm |
| Bottom Bracket Height | 259 mm |
| Front Center | 573 mm |
| Rake | 40 mm |
| Stack | 495.5 mm |
| Reach | 303 mm |
| Top Tube Length | 437.6 mm |
| Seat Tube Angle | 75 ° |
| Seat Tube Length | 308 mm |
| Head Tube Angle | 65 ° |
| Head Tube Length | 90 mm |
| Chainstay Length | 333 mm |
| Wheelbase | 905 mm |
| Bottom Bracket Drop | 10 mm |
| Standover Height | 527 mm |
| Wheels | 20" |
| Rider Min Height | 111 cm |
| Rider Max Height | 132 cm |
About this model
San Quentin 20 is a Marin San Quentin model. Marin launched 47 bikes of this model so far. You can easily view all of the Marin San Quentin bikes models from 2021, here.
Model range prices
Marin San Quentin 20 2021 is the most economical model, with a starting price of 689$. Marin San Quentin 3 2021 on the other hand costs 2239$, 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 Mountain bikes
According to our calculations, the average cost of a Mountain bike that is reliable is 616$. However, even if your budget is less than the average, you might still be able to get a top-quality Mountain bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Furthermore, this bike was made available in 2021 for 689$. In conclusion, this bike price is 11.85% higher than the price of the average Mountain bike.
San Quentin 20 components
Fork
The fork installed on this bike is the SunTour XCM model. The travel on this model is 80mm. 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, Marin San Quentin 20 2021, has a 20″ aluminum model. This wheel size is used on bike models like BMX, children, or folding bikes. In conclusion, they are great for flat ground or very easy trails.
Brakes
When you want to stop the bike in time, the brakes are vital. The San Quentin 20 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.
Sizes
This bike has one size only, so it might not fit you. In short, make sure you double-check if it fits you.