Aluminum headset stack spacers precision-cut to ensure proper headset function. - Precision-cut for proper function - Inner Diameter: 28.9mm - Outer Diameter: 34.4mm - Precision-machined aluminum

Carbon fiber headset stack spacers, precision-cut to ensure proper headset function. - Compatible with all threadless and threaded headsets

- Allows the use of a 7 speed shimano cassette on an 8 or 9 speed shimano cassette body

Carbon fiber headset stack spacers, precision-cut to ensure proper headset function. - Compatible with all threadless and threaded headsets

Wheels Manufacturing Clear Chainstay Protector w/ Alcohol Prep Pad keeps your frame's paint looking good and helps quiet any chain slap on the chainstay.

Wheels Manufacturing Wide Chainstay Protector w/ Alcohol Prep Pad keeps your frame's paint looking good and helps quiet any chain slap on the chainstay. Wide design offers extra coverage for larger chainstays.

This Wheels Manufacturing spacer allows you to mount a 1-1/4-inch clamp front derailleur on a 1-1/8-inch seat tube.

This Wheels Manufacturing Shim lets you mount a 1-1/8-inch clamp front derailleur on a 1-inch seat tube.

Grade 300 retainer bearings for headset and bottom bracket service.

Loose ball bearings to fit many brands of hubs, headsets, and bottom brackets. Grade 25 bearings are Dura-Ace or Campagnolo Record quality.

Loose ball bearings to fit many brands of hubs, headsets, and bottom brackets. Grade 300 — Ultegra level quality.

Shims for fitting 25.4mm diameter handlebars to 31.8mm clamp diameter stems. - Outside Diameter: 31.8mm - Inside Diameter: 25.4mm - Length: 48mm - Machined Aluminum - Anodized Black

Shims for fitting 26.0mm diameter handlebars to 31.8mm clamp diameter stems. - Outside Diameter: 31.8mm - Inside Diameter: 26.0mm - Length: 44mm - Machined Aluminum - Anodized Black

8.3mm chainring spacer for the inner chainring position. Machined to close tolerances out of 6061 aluminum. Excellent for improving chain line or for replacing missing spacers. - Inner Diameter: 8mm - Thickness: 8.3mm - 20 per bag

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M8 Chainring Bolts

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M5x10 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (3) M3x8 Flat Head Screws - Specialized Part #9890-4226 Note: This hanger has been updated to match Specialized Part #9890-4226 and will accommodate 28-tooth and larger cassette cogs. Shifting with smaller cassette cog ranges will not be adversely affected.

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x8 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt (Long - Bolt Only)

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt (bolt only)

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in our Colorado shop to exacting tolerances. - CNC-machined 6061 aluminum - Black anodized finish - Attaches to frame with (1) 8mm Chainbolt (Long)

4.0mm chainring spacer for the inner chainring position. Machined to close tolerances out of 6061 aluminum. Excellent for improving chain line, or for replacing missing spacers. - Inner Diameter: 8mm - Thickness: 4.0mm - 20 per bag

4.6mm chainring spacer for the inner chainring position. Machined to close tolerances out of 6061 aluminum. Excellent for improving chain line, or for replacing missing spacers. - Inner Diameter: 8mm - Thickness: 4.6mm - 20 per bag

7.1mm chainring spacer for the inner chainring position. Machined to close tolerances out of 6061 aluminum. Excellent for improving chain line, or for replacing missing spacers. - Inner Diameter: 8mm - Thickness: 7.1mm - 20 per bag

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x10 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x10 Socket Head Cap Screws Note: Wheels Mfg DROPOUT-17 measures 15.49mm between the 2 mounting holes (center to center) and 4.7mm between the 2 vertical plates.

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M6x10 Flat Head Screw

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screw

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x10 Socket Head Cap Screws Note: Wheels Mfg DROPOUT-16 has 14.33 mm between the two holes (center-to-center) and 6.51mm between the two vertical plates.

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing hangers are produced in their Colorado shop to exacting tolerances using the finest US-made aerospace quality aluminum. - CNC-machined 6061 aluminum - Black anodized finish - Mounting hardware included

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt, (1) M4x8 Flat Head Screw

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws Notes: - PLEASE NOTE! M4 HOLES ON HANGER ARE NOT THREADED! - FRAMES USING THIS HANGER HAVE THREADS IN DROPOUT!

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x10 Socket Head Cap Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M5x10 Flat Head Screws