SID Ultimate 2P

Specifications

Manufacturer
RockShox
Name
SID Ultimate 2P
Series
SID
MPN
FS-SID-ULT2-D1
Stanchion Diameter (mm)
35
Offset / Rake (mm)
44
Damper
Charger Race Day 2
Weight (g)
1480
Axle Type
Thru-axle
Max Tyre Width (mm)
66
Axle Standard
15x110
Travel (mm)
120
Steerer Diameter
Tapered
Spring Type
Air
Wheel Sizes
29
Max Rotor Size (mm)
220
Disc Brake Mount
Post Mount
Fork Type
Suspension
Material
Aluminum

RockShox SID Ultimate 2P

Fork

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Compatibility

This RockShox SID Ultimate 2P is a RockShox MTB fork. For best performance, use with other SID components, though it is mechanically compatible with the parts listed below.

Compatible Brake Calipers20

105 BRAKE CALIPERRecommended

Shimano

105 BRAKE CALIPER

  • Matches hydraulic disc standard
105 DIRECT MOUNT FRONT BRAKE CALIPERRecommended

Shimano

105 DIRECT MOUNT FRONT BRAKE CALIPER

  • Matches rim standard
105 DUAL-PIVOT BRAKE CALIPERRecommended

Shimano

105 DUAL-PIVOT BRAKE CALIPER

  • Matches rim standard
105 HYDRAULIC DISC BRAKE FRONT CALIPERRecommended

Shimano

105 HYDRAULIC DISC BRAKE FRONT CALIPER

  • Matches hydraulic disc standard
105 HYDRAULIC DISC BRAKE REAR CALIPERRecommended

Shimano

105 HYDRAULIC DISC BRAKE REAR CALIPER

  • Matches hydraulic disc standard
105 REAR SEAT STAY MOUNT REAR BRAKE CALIPERRecommended

Shimano

105 REAR SEAT STAY MOUNT REAR BRAKE CALIPER

  • Matches rim standard
2-PISTON BRAKE CALIPER (BR-MT200)Recommended

Shimano

2-PISTON BRAKE CALIPER (BR-MT200)

  • Matches hydraulic disc standard
2-PISTON BRAKE CALIPER (BR-MT500)Recommended

Shimano

2-PISTON BRAKE CALIPER (BR-MT500)

  • Matches hydraulic disc standard
2-PISTON FLAT MOUNT BRAKE CALIPERRecommended

Shimano

2-PISTON FLAT MOUNT BRAKE CALIPER

  • Matches hydraulic disc standard
4-PISTON BRAKE CALIPER (BR-MT420)Recommended

Shimano

4-PISTON BRAKE CALIPER (BR-MT420)

  • Matches hydraulic disc standard
4-PISTON BRAKE CALIPER (BR-MT520)Recommended

Shimano

4-PISTON BRAKE CALIPER (BR-MT520)

  • Matches hydraulic disc standard
Apex 1 Hydraulic Disc BrakeRecommended

SRAM

Apex 1 Hydraulic Disc Brake

  • Matches hydraulic disc standard
Apex Disc BrakeRecommended

SRAM

Apex Disc Brake

  • Matches hydraulic disc standard
BB5 MountainRecommended

SRAM

BB5 Mountain

  • Matches mechanical disc standard
BB5 RoadRecommended

SRAM

BB5 Road

  • Matches mechanical disc standard
BB7 MountainRecommended

SRAM

BB7 Mountain

  • Matches mechanical disc standard
BB7 Mountain SRecommended

SRAM

BB7 Mountain S

  • Matches mechanical disc standard
BB7 RoadRecommended

SRAM

BB7 Road

  • Matches mechanical disc standard
BB7 Road SRecommended

SRAM

BB7 Road S

  • Matches mechanical disc standard
BB7 Road SLRecommended

SRAM

BB7 Road SL

  • Matches mechanical disc standard

Compatible Wheels20

105 C32 TUBELESS WheelsetRecommended

Shimano

105 C32 TUBELESS Wheelset

105 C46 TUBELESS WheelsetRecommended

Shimano

105 C46 TUBELESS Wheelset

1ZERO HITOP S (Front)Recommended

Zipp

1ZERO HITOP S (Front)

1ZERO HITOP S (Rear)Recommended

Zipp

1ZERO HITOP S (Rear)

1ZERO HITOP SW (Front)Recommended

Zipp

1ZERO HITOP SW (Front)

1ZERO HITOP SW (Rear)Recommended

Zipp

1ZERO HITOP SW (Rear)

202 NSW (Rear)Recommended

Zipp

202 NSW (Rear)

27.5 100X15 MM THRU AXLE WHEEL FRONTRecommended

Shimano

27.5 100X15 MM THRU AXLE WHEEL FRONT

27.5 110X15 MM THRU AXLE WHEEL FRONTRecommended

Shimano

27.5 110X15 MM THRU AXLE WHEEL FRONT

27.5 142X12 MM THRU AXLE WHEEL REARRecommended

Shimano

27.5 142X12 MM THRU AXLE WHEEL REAR

27.5 148X12 MM THRU AXLE WHEEL REARRecommended

Shimano

27.5 148X12 MM THRU AXLE WHEEL REAR

27.5 CLINCHER 100 MM QUICK RELEASE WHEEL FRONT Recommended

Shimano

27.5 CLINCHER 100 MM QUICK RELEASE WHEEL FRONT

29 100X15 MM THRU AXLE WHEEL FRONTRecommended

Shimano

29 100X15 MM THRU AXLE WHEEL FRONT

29 110X15 MM THRU AXLE WHEEL FRONT Recommended

Shimano

29 110X15 MM THRU AXLE WHEEL FRONT

29 142X12 MM THRU AXLE WHEEL REARRecommended

Shimano

29 142X12 MM THRU AXLE WHEEL REAR

29 148X12 MM THRU AXLE WHEEL REARRecommended

Shimano

29 148X12 MM THRU AXLE WHEEL REAR

30 Carbon Disc WheelsetRecommended

Hunt

30 Carbon Disc Wheelset

303 Firecrest 650b Tubeless Disc-brake (Rear)Recommended

Zipp

303 Firecrest 650b Tubeless Disc-brake (Rear)

303 Firecrest Tubeless Disc-brake (Rear)Recommended

Zipp

303 Firecrest Tubeless Disc-brake (Rear)

303 Firecrest Tubular Disc-brake (Rear)Recommended

Zipp

303 Firecrest Tubular Disc-brake (Rear)

Compatible Headsets20

1 Degree GeoShift Performance Angle Headset - EC44/28.6 / EC44/40Recommended

Wolf Tooth

1 Degree GeoShift Performance Angle Headset - EC44/28.6 / EC44/40

1 Degree GeoShift Performance Angle Headset - ZS44/28.6 / EC49/40Recommended

Wolf Tooth

1 Degree GeoShift Performance Angle Headset - ZS44/28.6 / EC49/40

1 Degree GeoShift Performance Angle Headset - ZS44/28.6 / ZS56/40Recommended

Wolf Tooth

1 Degree GeoShift Performance Angle Headset - ZS44/28.6 / ZS56/40

1.5" Integral HeadsetRecommended

Hope

1.5" Integral Headset

1.5" Traditional HeadsetRecommended

Hope

1.5" Traditional Headset

110 Ceramic IS41/28.6 / IS52/40Recommended

Cane Creek

110 Ceramic IS41/28.6 / IS52/40

110 Ceramic IS42/28.6 / IS52/40Recommended

Cane Creek

110 Ceramic IS42/28.6 / IS52/40

110 Ceramic ZS44/28.6 / EC44/40Recommended

Cane Creek

110 Ceramic ZS44/28.6 / EC44/40

110 Ceramic ZS44/28.6 / ZS56/40Recommended

Cane Creek

110 Ceramic ZS44/28.6 / ZS56/40

110 EC34/28.6 / EC34/30Recommended

Cane Creek

110 EC34/28.6 / EC34/30

110 IS41/28.6 / IS41/30Recommended

Cane Creek

110 IS41/28.6 / IS41/30

110 IS41/28.6 / IS52/40Recommended

Cane Creek

110 IS41/28.6 / IS52/40

110 IS42/28.6 / IS52/40Recommended

Cane Creek

110 IS42/28.6 / IS52/40

110 ZS44/28.6 / EC44/30Recommended

Cane Creek

110 ZS44/28.6 / EC44/30

110 ZS44/28.6 / EC44/40Recommended

Cane Creek

110 ZS44/28.6 / EC44/40

110 ZS44/28.6 / EC49/40Recommended

Cane Creek

110 ZS44/28.6 / EC49/40

110 ZS44/28.6 / ZS56/40Recommended

Cane Creek

110 ZS44/28.6 / ZS56/40

2 Degree GeoShift Performance Angle Headset - EC44/28.6 / EC44/40Recommended

Wolf Tooth

2 Degree GeoShift Performance Angle Headset - EC44/28.6 / EC44/40

2 Degree GeoShift Performance Angle Headset - EC44/28.6 / EC49/40Recommended

Wolf Tooth

2 Degree GeoShift Performance Angle Headset - EC44/28.6 / EC49/40

2 Degree GeoShift Performance Angle Headset - EC44/28.6 / ZS56/40Recommended

Wolf Tooth

2 Degree GeoShift Performance Angle Headset - EC44/28.6 / ZS56/40

Frequently Asked Questions

What fits with RockShox SID Ultimate 2P?

RockShox SID Ultimate 2P is compatible with brake calipers, wheels, frames, headsets that match its technical standards. Most importantly, it requires matching speed components.

Can I mix RockShox SID Ultimate 2P with Road components?

While some mechanical standards (like cassette spacing at certain speeds) may overlap, RockShox SID Ultimate 2P is optimized for MTB use. Mixing with Road parts often fails due to differing pull ratios and chainlines.