Headset Top Cap

—$18.99

It's a stack spacer. It's a top cap. It's both! The Ultralight stem cap is designed specifically for carbon steerers that require that the steer tube extend above the stem. 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only Light-weight and durable 6061-T6 aluminum MPN: STEMCAP5MMBLK

by Wolf Tooth

—$8.99

There are a lot of things you don't need to buy for your bike, but this state of the art stem cap is not one of those useless things. It was designed with you, yes you, in mind. Molded around the tightest molecular combination of polymers, this stem cap makes you more aerodynamic than a B-2 spirit stealth bomber. Don't know what that is? Look it up. No. Don't waste time. Buy this stem cap and go race down a mountain, or a hill, or your driveway. Who cares? Go ride your bike.MPN: WC-STEMCAP-MK1

by Worldwide Cyclery

—$28.99

The new Trail One Top Cap & Spacer Kit is made to finish out the look of our bar, stem & grip setup. Designed to match the angles and finish of our Rockville, Viking and Slickrock stem, the kit comes in Black, Raw/Clear Ano, and Bronze. Included in the kit is the top cap which is also a 5mm spacer, as well as 2x 5mm spacers and 1x 10mm spacer. An alloy bolt comes with the kit, a silver bolt come with the Raw kit, and a black bolt with the Black and Bronze kit. There is a Top Cap Titanium Upgrade Bolt option that's offered in 7 different colors. To See the official Trail One website Click Here! See this product on the Trail One Site Here! Don't forget to check out the Trail One philanthropy projects at The Trail One Treasury MPN: TC-KIT-BLK

by Trail One Components

—$28.99

The new Trail One Top Cap & Spacer Kit is made to finish out the look of our bar, stem & grip setup. Designed to match the angles and finish of our Rockville, Viking and Slickrock stem, the kit comes in Black, Raw/Clear Ano, and Bronze. Included in the kit is the top cap which is also a 5mm spacer, as well as 2x 5mm spacers and 1x 10mm spacer. An alloy bolt comes with the kit, a silver bolt come with the Raw kit, and a black bolt with the Black and Bronze kit. There is a Top Cap Titanium Upgrade Bolt option that's offered in 7 different colors. To See the official Trail One website Click Here! See this product on the Trail One Site Here! Don't forget to check out the Trail One philanthropy projects at The Trail One Treasury MPN: TC-KIT-RAW

by Trail One Components

—$8.99

There are a lot of things you don't need to buy for your bike, but this state of the art stem cap is not one of those useless things. It was designed with you, yes you, in mind. Molded around the tightest molecular combination of polymers, this stem cap makes you more aerodynamic than a B-2 spirit stealth bomber. Don't know what that is? Look it up. No. Don't waste time. Buy this stem cap and go race down a mountain, or a hill, or your driveway. Who cares? Go ride your bike.MPN: WC-STEMCAP-MK1-STEALTH

by Worldwide Cyclery

—$28.99

The new Trail One Top Cap & Spacer Kit is made to finish out the look of our bar, stem & grip setup. Designed to match the angles and finish of our Rockville, Viking and Slickrock stem, the kit comes in Black, Raw/Clear Ano, and Bronze. Included in the kit is the top cap which is also a 5mm spacer, as well as 2x 5mm spacers and 1x 10mm spacer. An alloy bolt comes with the kit, a silver bolt come with the Raw kit, and a black bolt with the Black and Bronze kit. There is a Top Cap Titanium Upgrade Bolt option that's offered in 7 different colors. To See the official Trail One website Click Here! See this product on the Trail One Site Here! Don't forget to check out the Trail One philanthropy projects at The Trail One Treasury MPN: TC-KIT-BRZ

by Trail One Components

—$18.99

The Salsa Split Pivot Dropout Tool Top Cap is a 22mm socket designed for in-the-field derailleur hanger replacement of Salsa suspension frames featuring Split Pivot technology. The Dropout Tool is designed to double as a top cap for a standard threadless stem/headset assembly, so that it will always be conveniently available in the event of a hanger failure. This tool is intended for trailside repairs only. Once you return back to base, use a torque wrench to achieve the proper torque spec of 18Nm. This handy tool works as a headset top cap until you need it, and when combined with a 6mm hex wrench, turns into a socket for removing the Pivot Bolt to change your derailleur hanger For all Salsa Split Pivot suspension models Integrated 22mm socket design interfaces axle nut to field change the derailleur hanger Operated via 6mm hex key found on most mini tools Takes place of standard top cap Reduces the need to carry 22mm wrench or socket in your pack Lightweight, black anodized aluminum bolt included 13g Lightweight aluminum bolt Item Specifications Color Black Defined Color Black Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6

by Salsa

—$15.99

If you're upgrading to a new headset and looking to add some vibrancy to make your bike shine, you'll love the Chroma Studio Top Cap. Available in various colors, you can infuse a touch of personalized style into your ride. Compatible with all 1-1/8 threadless headset uppers DOES NOT Include Bolt and/or Star nut. Item Specifications Color Silver Defined Color Silver Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6   DOES NOT Include Bolt and/or Star nut. MPN: BAA0168SILVER

by Cane Creek

—$23.99

Preload assembly from Cane Creek.MPN: BAA2135

by Cane Creek

—$17.99

It's a stack spacer. It's a top cap. It's both! The Ultralight stem cap is designed specifically for carbon steerers that require that the steer tube extend above the stem. 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only Light-weight and durable 6061-T6 aluminum Item Specifications Color Espresso Defined Color Brown MPN: STEMCAP5MMESP

by Wolf Tooth

—$15.99

If you're upgrading to a new headset and looking to add some vibrancy to make your bike shine, you'll love the Chroma Studio Top Cap. Available in various colors, you can infuse a touch of personalized style into your ride. Compatible with all 1-1/8 threadless headset uppers DOES NOT Include Bolt and/or Star nut. Item Specifications Color Blue Defined Color Blue Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6   DOES NOT Include Bolt and/or Star nut. MPN: BAA0168BLUE

by Cane Creek

—$17.99

Details matter when you are building up a bike and the stem cap should not be overlooked. This ultralight and ultra-sleek stem cap fits flush with your stem or can be used with a spacer under it. It is precision machined out of 7075-T6 aluminum for the lowest weight without any performance compromise. Compatible with 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only Total weight (cap + bolt): 8 grams (compare to a standard stem cap and steel bolt at 18 grams) Item Specifications Color Raw Silver Defined Color Silver Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 MPN: STEMCAPRSIL1

by Wolf Tooth

—$15.99

If you're upgrading to a new headset and looking to add some vibrancy to make your bike shine, you'll love the Chroma Studio Top Cap. Available in various colors, you can infuse a touch of personalized style into your ride. Compatible with all 1-1/8 threadless headset uppers DOES NOT Include Bolt and/or Star nut. Item Specifications Color Gold Defined Color Gold Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6   DOES NOT Include Bolt and/or Star nut. MPN: BAA0168GOLD

by Cane Creek

—$17.99

It's a stack spacer. It's a top cap. It's both! The Ultralight stem cap is designed specifically for carbon steerers that require that the steer tube extend above the stem. 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only Light-weight and durable 6061-T6 aluminum Item Specifications Color Raw Silver Defined Color Silver Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 MPN: STEMCAP5MMRSIL

by Wolf Tooth

—$18.99

Details matter when you are building up a bike and the stem cap should not be overlooked. This ultralight and ultra-sleek stem cap fits flush with your stem or can be used with a spacer under it. It is precision machined out of 7075-T6 aluminum for the lowest weight without any performance compromise. Compatible with 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only Total weight (cap + bolt): 8 grams (compare to a standard stem cap and steel bolt at 18 grams) Item Specifications Color Ultraviolet Purple Defined Color Purple Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 MPN: STEMCAPPRU1

by Wolf Tooth

—$15.99

If you're upgrading to a new headset and looking to add some vibrancy to make your bike shine, you'll love the Chroma Studio Top Cap. Available in various colors, you can infuse a touch of personalized style into your ride. Compatible with all 1-1/8 threadless headset uppers DOES NOT Include Bolt and/or Star nut. Item Specifications Color Purple Defined Color Purple Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6   DOES NOT Include Bolt and/or Star nut. MPN: BAA0168PP

by Cane Creek

—$15.99

If you're upgrading to a new headset and looking to add some vibrancy to make your bike shine, you'll love the Chroma Studio Top Cap. Available in various colors, you can infuse a touch of personalized style into your ride. Compatible with all 1-1/8 threadless headset uppers DOES NOT Include Bolt and/or Star nut. Item Specifications Color Red Defined Color Red Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6   DOES NOT Include Bolt and/or Star nut. MPN: BAA0168RED

by Cane Creek

—$31.25

The Renthal headset top cap and spacer kit features CNC-machined aluminum parts with a contrasting blasted and polished hard-anodized surface finish that matches the V2 Apex stem. CNC-machined aluminum component parts and aluminum top cap bolt with 6mm hex Lightweight design, at 27g total weight, for all component parts Features a hard-anodized finish with laser marked graphics The chamfers align perfectly with the V2 Apex stem for a seamless look Contrasting blasted (spacers) and polished (top cap) surface finishes to matches the V2 Apex stem Item Specifications Color AluGold Defined Color Gold Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 MPN: MBA10002-005-01

by Renthal

—$31.99

The Chris King headset stem (top) cap is a precision machined and timelessly styled crown jewel. It's crafted using premium aluminum and anodized for adding durability and great looks. For use with 1" (25.4mm) steer tubes Precision machined and timelessly styled Crafted using premium aluminum and anodized for adding durability and great looks Item Specifications Color Matte Gold Defined Color Gold Includes Star Nut No S.H.I.S. Stem Clamp Diameter 25.4 MPN: PHS455Y2

by Chris King

—$27.99

The Chris King headset stem (top) cap is a precision machined and timelessly styled crown jewel. It's crafted using premium aluminum and anodized for adding durability and great looks. For use with 1-1/8" (28.6mm) steerers Precision machined and timelessly styled Crafted using premium aluminum and anodized for adding durability and great looks Item Specifications Color Matte Gold Defined Color Gold Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 MPN: PHS456Y2

by Chris King

—$31.25

The Renthal headset top cap and spacer kit features CNC-machined aluminum parts with a contrasting blasted and polished hard-anodized surface finish that matches the V2 Apex stem. CNC-machined aluminum component parts and aluminum top cap bolt with 6mm hex Lightweight design, at 27g total weight, for all component parts Features a hard-anodized finish with laser marked graphics The chamfers align perfectly with the V2 Apex stem for a seamless look Contrasting blasted (spacers) and polished (top cap) surface finishes to matches the V2 Apex stem Item Specifications Color Black Defined Color Black Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 MPN: MBA10001-005-01

by Renthal

—$49.99

The 5DEV Titanium Headset Top Cap offers precision, strength, and forever fit. CNC-machined from Ti-6Al-4V for ultra-high durability, corrosion resistance, and clean, low-stack integration. This titanium top cap holds torque, stay trues, and keeps your cockpit quiet in any weather. Add grams where it matters least, gain decades of service, and finish your build with bike jewelry that rides as good as it looks. CNC-machined titanium offers corrosion resistance for year-round riding Precision machining keep your headset tight, clean, and protected Designed for use with 1-1/8" steerer tubes Item Specifications Color Raw Titanium Defined Color Silver Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 MPN: TSC-51

by 5Dev

—$18.99

It's a stack spacer. It's a top cap. It's both! The Ultralight stem cap is designed specifically for carbon steerers that require that the steer tube extend above the stem. 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only Light-weight and durable 6061-T6 aluminum Item Specifications Color Ultraviolet Purple Defined Color Purple Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 MPN: STEMCAP5MMPRU

by Wolf Tooth