Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 20" -
Travel Front 80mm -
Fork Suntour XCM
-
Groupset Altus -
Suspension Hardtail -
Drivetrain 1 × 8 -
Brakes Hydraulic Disc
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
Shimano Altus SL-M315, 8-Speed
Cassette
Shimano 8-speed, 11-32T
Crank
Forged Alloy, Narrow Wide 30T, 140mm
Bottom Bracket
Sealed Cartridge Bearings, Square Taper
Chain
KMC Z8
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
Spokes
14g Stainless Steel
Tires
Vee Tire Crown Gem, 20x2.6”, Wire Bead
Brakes
Brakes
Tektro HD-J285 Kid's Specific Hydraulic Disc
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. 10P
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 | 1.62 mm |
| Bottom Bracket Height | 260 mm |
| Front Center | 582 mm |
| Rake | 40 mm |
| Stack | 492 mm |
| Reach | 303 mm |
| Top Tube Length | 436.4 mm |
| Seat Tube Angle | 75 ° |
| Seat Tube Length | 308 mm |
| Head Tube Angle | 65 ° |
| Head Tube Length | 90 mm |
| Chainstay Length | 333 mm |
| Wheelbase | 915 mm |
| Bottom Bracket Drop | 10 mm |
| Standover Height | 533 mm |
| Wheels | 20" |
About this model
San Quentin 20″ is part of the Marin San Quentin model. Marin released 47 bikes variations of this model so far. Check out the entire range from 2024 of this model, by clicking this link.
Model range prices
Marin San Quentin 20″ 2024 is the cheapest bike model and costs 669$. Marin San Quentin 29″ 3 2024 is the most expensive one and costs 1799$.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Mountain bikes average price
If you want to purchase a solid Mountain bike, it is important to know that the average cost is 616$. However, you could also get a good Mountain bike even if you pay a lower amount than the average price. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
This bike was released in 2024 and its price was 669$. Doing a quick comparison, we notice that San Quentin 20″ price is 8.6% higher than the average cost of a Mountain bike.
Overview of components
Fork
The fork installed on this bike is the Suntour XCM model. The travel on this model is 80mm. Bike forks absorb the shocks and give you a smooth and pleasant ride. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.
Wheels size
When leaving the production line, the San Quentin 20″ model has 20″ aluminum wheels. This wheel size is used on bike models like BMX, children, or folding bikes. In conclusion, you can use them better on-road, and less on technical terrain.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, your safety is in good hands.