RockShox SID Ultimate Race Day 2 3P DebonAir+ Boost 29" Suspension Fork

The RockShox SID Ultimate 3P 29" suspension fork with Race Day 2 damping, DebonAir+ spring and Boost dimensions for cross-country riding

The SID suspension fork from RockShox for 29" XC bikes offers 3-position compression adjustment via Crown Adjust and, in the Ultimate version, comes with lightweight Race Day 2 damping. Boost width, 120 mm travel and 35 mm stanchion tubes make it ready for every race track and down-country use. In addition to the tried and tested " Open" position for high-speed descents and " Lock" for sprints, where you need an efficient power transmission, the third " Pedal" position offers you the sweet spot in between for technical climbs where you need propulsion but also comfort. With the DebonAir+ air spring, you benefit from extreme reactivity, high traction and high tunability via air pressure. The optimised fork crown is lighter compared to the previous model without sacrificing steering precision.

Specifications:

Application:

Cross Country

Wheel Size:

29"

Suspension Type:

air

Travel:

120 mm

Steerer Tube:

1 1/8" - 1.5" tapered

Axle Type:

thru-axle

Wheel Standard:

15 x 110 mm (Boost)

Brake Mount:

disc PM7 (direct mount 180 mm)

Technical Information:

Offset:

44 mm

Steerer Tube Length:

230 mm

Steerer Tube Diameter (Stem):

28.6 mm

Steerer Tube Diameter (Crown Race):

40 mm

Axle to Crown:

531 mm

Over Locknut Dimension:

110 mm

Stanchion Tube Diameter:

35 mm

Steerer Tube Material:

aluminium

Crown Material:

aluminium

Stanchion Tube Material:

aluminium

Lower Tube Material:

magnesium

Adjustment Options:

Compression:

3-Position Adjust

Rebound:

yes

Suspension Stiffness:

air pressure adjust

Remote:

retrofittable (exchange of damper unit required)

Travel Adjustment:

yes (exchange of air suspension unit required)

Approved For:

Tyre Size (max.):

66 mm (tyre width)

Note:

For individual tyres, tyre clearance must be checked with the fork fully compressed and the tyre fully inflated. It should be at least 6 mm all around.

Rotor Size (max.):

220 mm

Features:

• suspension fork with 3 compression positions for cross-country race bikes
• Ultimate version with weight-optimised Race Day 2 damping
• 3 compression settings (Open / Pedal / Lock), which can be selected via Crown Adjust
• Pedal position for technical climbs, Open position for descents, Lock position for sprints
• DebonAir+ air spring with more volume than DebonAir offers finer tuning and absorbs bumps better
• extremely light and strong hollow fork crown made of forged aluminium
• optimised bushings with greater overlap for durability, precise control and low friction
• 35 mm stanchion tube diameter with the optimal balance of low weight and stiffness
• with long-lasting Maxima Plush Dynamic Suspension Lube for low friction and good durability
• torque cap dropouts for increased stiffness
• with screw-on torque cap adapters for simplified use with standard end caps
• rebound knob can be removed and used to adjust the rebound on the SIDLuxe
• fork crown outer diameter: 58 mm
• 0 of maximum 3 volume spacers installed

Models:

120 mm / 1.5 tapered / 15 x 110 mm / 44 mm:

Travel:

120 mm

Offset:

44 mm

Model ID:

FS-SID-ULT3-D1

Manufacturer Numbers:

00.4020.957.000 (gloss black), 00.4020.957.001 (sid blue crush-gloss)

Contents:

• 1 x RockShox SID Ultimate Race Day 2 3P DebonAir+ Boost 29" suspension fork
• 1 x RockShox Maxle Stealth thru-axle
• 1 x RockShox fender
• 1 x RockShox star nut
• 2 x RockShox end cap adapters
• 2 x bolts