November 19, 2018
My Mountain Bike - Marin Rock Springs 2
This is a bike made as an "exclusive" for Performance Bikes.
It is identical to the Marin Bobcat 5 2018 according to many sources,
and will confirm that based on the equipment list.
The Bobcat lists for $980 at full retail.
The Rock Springs 2 normally sells for $800, but I bought mine when
they were running a 30 percent off sale, so I paid $600.
This is a hard tail bike. It has a Rockshox Recon Silver coil spring fork.
One piece of advice I picked up when shopping and trying to learn about what
to look for in a bike is to avoid anything with a Suntour Fork (like the XCT).
Apparently this is sort of an indicator of truly low end bike that ought to be
A reasonable first upgrade on this bike would be an air fork.
I am told that the Rock Springs uses a straight rather than tapered head tube,
so I would need to research and understand this before shopping for a fork.
The above is a straight 1-1/8 inch fork and might work on this bike.
People spend as much (or more) for a fork as I did on the entire bike.
Some other candidates were:
- Haro Double Peak Trail $570 -- this has a Suntour fork, so clearly the Marin is a better buy at $600 for several reasons.
- Marin Nail Trail $1000 -- I might have jumped to this if the Rock Springs had been the usual $800, just to get
the air fork (and a lower top tube on the frame).
- Specialized Rockhopper Pro $1350 -- would I benefit from spending twice the money?
The big plus here is an air fork.
The Bobcat from Marin does offer a 22 inch frame, but I am quite happy with the 20, and am 6'1"
- 20 inch frame (the largest offered by Performance Bikes).
- RockShox Recon Silver TK fork with 100mm of travel
- Marin Forged Alloy 1x10, Hollow Spindle, Steel Narrow-Wide 32T Chainring, 76mm BCD
- Shimano Deore Shadow Plus SGS 10-Speed rear shifter
- SunRace 10-Speed, 11-42T
- Shimano BR-M315 Hydraulic Disc, 180mm Rotor in front
- Shimano BR-M315 Hydraulic Disc, 160mm Rotor in back
- Formula, 110x15mm, Centerlock Disc, 32H -- front hub
- Formula, Centerlock Disc, 32H -- rear hub
- Rims: Marin Aluminum Double Wall, 27mm Inner, Pinned Joint, Disc Specific, Tubeless Compatible
- Tires: Schwalbe Tough Tom 29" x 2.25"
- Marin Mini-Riser, 10mm Rise, 720mm Width handlebars
- Headset FSA No.10-P
- Marin Alloy, 60mm stem
- Frame: Series 2 6061 Aluminum, 29" Wheels, 68mm BB shell, 135mm Forged Dropouts, IS Chainstay Disc Mount
- KMC X10 chain
So, I have a single 32 tooth gear in front and 10 gears in back, ranging from 11 to 42 teeth.
I really enjoy not having a front shifter!
Have any comments? Questions?
Drop me a line!
Tom's mountain bike pages / email@example.com