RockShox
ByRockShox

SID SL Ultimate 3P

Looking to shave grams and boost performance of your XC race bike? SID SL Ultimate is your answer. With an air spring inspired by SID, increased bushing overlap, lower friction, and room for bigger tires, it is a lightweight fork built for the serious XC racer. SID SL Ultimate takes it a step further with a machined, anodized crown, giving racers a sleek, polished look that stands out on the start line.

$989MSRP
Buy from RockShox
Suspension · forkSID SL Ultimate 3PSKU FS-SIDS-ULT3-E1
Typefork
Typefork
Variants22 sizes or options
Weight—Not published
01 / About

The SID SL Ultimate 3P.

RockShox's take on suspension.

Looking to shave grams and boost performance of your XC race bike? SID SL Ultimate is your answer. With an air spring inspired by SID, increased bushing overlap, lower friction, and room for bigger tires, it is a lightweight fork built for the serious XC racer. SID SL Ultimate takes it a step further with a machined, anodized crown, giving racers a sleek, polished look that stands out on the start line.

02 / Specifications

SID SL Ultimate 3P spec sheet.

Everything RockShox publishes for the SID SL Ultimate 3P.

01Overview
5 fields
Type
fork
Discipline
—
Brand
RockShoxExternal
SKU
FS-SIDS-ULT3-E1RockShox part number
Product URL
www.sram.com/en/rockshox/models/fs-sids-ult3-e1External
02Suspension
6 fields
Type
fork
Damper type
air
Axle standard
15x110
Stanchion dia. (mm)
32
Steerer standard
1.5" Tapered
Max rotor (mm)
200
03Pricing & availability
3 fields
Price
$989USD · MSRP
Availability
—
Weight
—Not published
04Additional specs
7 fields
Spring Type
DebonAir+
Max Tire Width Mm
62
Min Rotor Mm
160
High Speed Compression
false
Low Speed Compression
false
Rebound Adjustment
true
Lockout
3-position (Open/Pedal/Lock)
03 / Variants

2 variants available.

Sizes, colors, and configurations published by the brand.

Total variants2Indexed in GearWise
Travel (mm)100–110 mm2 distinct values
Wheel size29Single value
#Travel (mm)Wheel sizeOffset (mm)
01100mm2944mm
02110mm2944mm
04 / Reviews

From the cycling press.

5 reviews from 3 sources.

01mountainbikemaintenance.comFull Review: SID Ultimate 3P Suspension Fork Performance and Durability - MountainBike MaintenanceJun 202502BikeRadar2024 RockShox SID Ultimate 3P fork (with TwistLoc remote) review - Suspension Forks - ForksJul 202303bikepacking.comRockshox SID Ultimate Review - BIKEPACKING.comJul 202304BikeRadar2024 RockShox SID Ultimate 3P fork (with TwistLoc remote) review - Suspension Forks - ForksJul 202305BikeRadar2024 RockShox SID Ultimate 3P fork (with TwistLoc remote) review - Suspension Forks - ForksJul 2023