Product details
Detailed Specifications:
Brand: Fox
Model: IsoStrut Rear Shock – Performance Series
Part Number: 972-61-237
Serial Example: 812050-0186-T (may vary)
Model Year: 2020 Series
Bike Compatibility: Trek Supercaliber & E-Caliber Gen 1 only (Size M–XL frames)
Travel: 32.5mm
Damper Length: 135mm
Strut Length: 235mm
Outer Diameter: 36mm
Rotation / Eyelet Angle: 30° (specific to M–XL Supercaliber frames)
Spacer: 0.1mm
Remote Type: Remote PTL (Push-to-Lock)
Adjustment Type: Remote-operated compression with rebound adjust
Color: Black / Performance Series Finish
Intended Use: Cross-country (XC) / Marathon
E-Bike Compatibility: Yes (E-Caliber only)
Performance Series Details:
Performance-level damping system provides smooth, controlled suspension ideal for race and endurance XC setups.
Black anodized finish with laser-etched graphics for durability and clean aesthetics.
Features lightweight aluminum construction with advanced Fox seals for minimal friction and long-term reliability.
Compatible with Fox remote lockout levers (sold separately).
Factory-tuned by Trek and Fox for Supercaliber’s IsoStrut system, delivering a blend of rear compliance and efficiency unique to this platform.
Important Usage Notes:
Designed exclusively for Trek Supercaliber & E-Caliber Gen 1 frames (sizes M–XL).
Not compatible with Gen 2 Supercaliber frames.
Installation and service should be performed by a qualified Trek or Fox technician due to the proprietary design.
Riding Impressions:
The Fox IsoStrut Performance Series shock offers efficient and controlled performance for the Supercaliber’s unique integrated suspension system. With its 30° eyelet rotation and precise damping, it maintains exceptional traction and power transfer while keeping weight low—ideal for XC racers and high-performance riders.
Disclosure:
This listing is for a genuine Fox Performance Series IsoStrut rear shock (235x32.5mm), designed for Trek Supercaliber & E-Caliber Gen 1 (M–XL).
Example serial number provided; actual unit may vary.
Retail packaged with full Fox manufacturer warranty when installed by an authorized Trek or Fox service center.
$199.95
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Item specifics
| Condition | New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... |
|---|---|
| Brand | Fox |
| Color | Black |
| Item Weight | 1.5000 |
| MPN | W587196 |
| Size | 235mm x 32.5mm |
| Country of Origin | Taiwan |
