Description
- SUSPENSION: SR Suntour XCM DS
- WHEEL SIZE: 29″, 27.5″
- FRAME: Aluminum
- SIZE RANGE: XS, S, M, L, XL, XXL
RECREATIONAL MOUNTAIN BIKING
ENTRY-LEVEL RIDERS
FITNESS DIRT ROAD RIOING
The Bolinas Ridge is perfectly suited for recreational riders wishing to explore singletrack and dirt trails with a mountain bike built for real trails, with trail capable suspension forks and all-conditions disc brakes.

Size Information
| XS | S | M (27.5) | M (29) | L | XL | XXL | |
|---|---|---|---|---|---|---|---|
| ASTACK | 580.8 | 585.5 | 590 | 616 | 620.5 | 625 | 630 |
| BREACH | 400 | 415 | 430 | 430 | 445 | 465 | 475 |
| CHEADTUBE ANGLE | 68.5° | 68.5° | 68.5° | 68° | 68° | 68° | 68° |
| DHEADTUBE LENGTH | 100 | 105 | 110 | 110 | 115 | 120 | 125 |
| ESEATTUBE ANGLE | 74° | 74° | 74° | 74° | 74° | 74° | 74° |
| FSEATTUBE LENGTH | 330 | 381 | 431 | 431 | 481 | 520 | 559 |
| GTOPTUBE EFFECTIVE | 566.5 | 583 | 599.2 | 606.6 | 623 | 644.2 | 655.6 |
| HBB HEIGHT | 307 | 307 | 307 | 311.5 | 311.5 | 311.5 | 311.5 |
| IBB DROP | 48 | 48 | 48 | 61 | 61 | 61 | 61 |
| JCHAINSTAY | 430 | 430 | 430 | 455 | 455 | 455 | 455 |
| KWHEELBASE | 1084.5 | 1101.3 | 1118.2 | 1160 | 1177 | 1199 | 1210 |
| LSTANDOVER HEIGHT | 649.11 | 663.03 | 706.24 | 716.44 | 744.89 | 773.66 | 806.58 |
| MFORK OFFSET | 46 | 46 | 46 | 46 | 46 | 46 | 46 |
| SEATPOST DIAMETER | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 |
| HANDLEBAR WIDTH | 780 | 780 | 780 | 780 | 780 | 780 | 780 |
| STEM LENGTH | 45 | 45 | 45 | 45 | 45 | 45 | 45 |
| CRANK LENGTH | 170 | 170 | 170 | 170 | 170 | 170 | 170 |
All lengths in millimeters.
SERIES 1 ALUMINUM FRAME
The Bolinas Ridge series has a disc specific Series 1 6061 aluminum
frame with a replaceable derailleur hanger and an integrated
headset.
29” OR 27.5” WHEELS
The Bolinas Ridge has a growing wheel size for the best fit and
performance with the choice of 27.5” or 29” platforms on the size M,
27.5” wheels on size S, and 29” wheels on sizes L, XL, and XXL.
DISC BRAKES
All Bolinas Ridge models feature disc brakes for minimal
maintenance and all-conditions stopping power.
TRAIL READY COMPONENTS
The Bolinas Ridge line features durable double wall rims, serviceable
cassette freehubs, proven Shimano drivetrains, and readily available
parts that are built to last.
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