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Today’s DealsSan Quentin 20
A 20″ aluminum frame mountain youth bike with modest components and tektro hydraulic disc brakes.
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Manufacturer Price
$689| Frame | Aluminum |
|---|---|
| Suspension | Hardtail, 80mm |
| Fork | Suntour XCM |
| Wheels | 20″ Aluminum |
| Drivetrain | 1 × 8 |
| Groupset | Altus, microSHIFT Mezzo |
| Brakes | Tektro Hydraulic Disc |
3'8" – 4'5"
None yet.
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Summary
The Marin San Quentin trail bike is praised for its aggressive geometry and confident descending capabilities, making it a standout for steep and technical trails. Its solid build and progressive sizing cater to both less experienced riders and those looking to push limits, though some reviews note compromises in climbing efficiency and component quality. The bike's performance shines in rough conditions, with its suspension and tire setup receiving particular acclaim for handling challenging terrain.
Aggressive geometry for confident descending
Solid build and progressive sizing
Good performance in rough and technical conditions
Competitive pricing for the features offered
Engaging and fun to ride on steep trails
Compromised climbing efficiency due to weight and gear range
Basic suspension components on some models
Stock tires and brakes may require upgrades for optimal performance
Feels sluggish on flat or hard-packed trails
Limited gear range and no dropper post on entry-level models
The Marin San Quentin is an exercise in determining the logical limits of how rowdy a trail you can design a modern hardtail for
As soon as there’s any negative gradient, it starts to come alive.
With progressive, generous and a sorted specification, we couldn’t wait to do time on the new Marin San Quentin 2.
The geometry is solid because good geometry is free.
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Sep 2022
The complete Marin San Quentin 1 (SQ1) hardtail costs about the same amount of money as a top-end RockShox suspension fork and it's a fun choice for the aspiring or casual mountain biker looking for a budget-friendlier gateway rig for Blue-level trails.

Nov 2020 · McCoy
Tough as Nails

Oct 2019 · Tom Marvin
Compromised spec, but the descent-focused geometry starts to shine on steeper terrain
Aggressive geometry makes it a confident descender
Wide rims give tyres good volume and shape
High weight and limited gear range compromise climbing potential
Spec choice

Jan 2019
What happens when a brand known for its outlandish value makes an outlandish hardtail?

Oct 2018 · Alan Muldoon
With progressive geometry, generous sizing and a sorted specification, we couldn’t wait to do time on the new Marin San Quentin 2.
Progressive sizing and geometry.
Needs 2.6in tyres and a dropper.
| Frame | Series 2 6061 Aluminum, 20” Wheels, Disc Specific, 135mm Dropouts Color: Gloss Blue / Green/black |
|---|---|
| Fork | SR Suntour XCM 24 BOOST, 80mm Travel, 110mm Axle Spacing Travel: 80mm Spring Type: Coil |
| Bottom Bracket | Sealed Cartridge Bearings, Square Taper |
| Headset | FSA No. 57E |
| Stem | Marin Alloy, 35mm |
| Handlebar | Marin Riser, 31.8 clamp, 30mm Rise, 590mm Width |
| Saddle | Marin Kids MTB |
| Seatpost | Marin Alloy, 30.9mm Type: Rigid |
| Pedals | Kids Specific Nylon Pedal |
| Grips | Marin MTB |
| Rear Derailleur | Shimano Altus |
|---|---|
| Front Derailleur | - |
| Crank | Forged Alloy, Narrow Wide 30T, 140mm |
| Shifters | MicroSHIFT TS39, 8-Speed, Thumb-Tap |
| Cassette | Shimano 8-speed, 11-32T |
| Chain | KMC X8 |
| Brakes | Tektro HD-J285 Kid's Specific Hydraulic Disc Type: Tektro Hydraulic Disc |
| Brake Levers | Tektro Kid's Specific Short Reach Lever for Hydraulic Brake |
| Rims | Marin, Double Wall Alloy, 25mm Internal |
|---|---|
| Front Hub | Forged Aluminum, 32H, Disc Specific |
| Rear Hub | Forged Aluminum, 32H, Disc Specific |
| Tires | Vee Tire Crown Gem, 20x2.6”, Wire Bead |
First added December 23
Last updated March 28
Not listed for 1,877 days