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PA
PALO ALTO
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SF
SAN FRANCISCO
1090 Folsom St
San Francisco, CA 94103
On-Site Parking
(415) 934-8000
Open: Mon-Sat 11-7
Sun 11-6
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Headsets

Giant Overdrive Tapered Road Headset
$54.99
-Overdrive tapered road headset (2009-2016)
FSA Full Speed Ahead ACB Bearing Micro 36x45 - 1.5
$25.99
FSA Standard Headset Bearings
FSA Full Speed Ahead Micro ACBBlue/Gray Seal Headset Bearing 45x45 Stainless 1-1/8
$27.99
FSA bearings that set directly into the frame without the use of pressed in cups. - 36/45 degrees is Cane Creek-compatible - 45/45 degrees is Campagnolo-compatible
FSA TH Series Headset
$19.99 - $64.99
- Forged steel cups with caged 5/32" ball bearings - TH-857 features a alloy top cover - TH Series: External Cup, traditional - S.H.I.S.: EC34/28.6|EC34/30 - Stack: 14.9mm/11mm - Color: Black - Weight: 126g
Wolf Tooth IS41 Premium Upper Headset
$59.95
Wolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high-end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high-pressure waterproof lubricant. A pair of dual-lip seals ride in micro-grooves to keep out water and debris. Stainless Steel Bearings provide unparalleled corrosion resistance Highly recommended if your headset will be exposed to wet conditions or sweat Lifetime warranty
Wolf Tooth IS52 Premium Lower Headset
$39.95
Wolf Tooth Premium headsets feature high-end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high-pressure waterproof lubricant. A pair of dual-lip seals ride in micro-grooves to keep out water and debris. - Stainless Steel Bearings provide unparalleled corrosion resistance - Highly recommended if your headset will be exposed to wet conditions or sweat - Lifetime warranty - Lower Bearing, includes race
Wolf Tooth Premium Knock Block Headset Upper
$59.95
Wolf Tooth Precision Headsets for Trek Knock Block are machined in the USA out of aircraft grade aluminum with superior sealing for protection against the elements. Available in a variety of colors to add some style to your bike. These upper headsets are for Trek frames with molded-in internal bearing cups. - Designed to work with Trek's Knock Block system - The top cap on these headsets have unique raised features that key to Knock Block compatible stems (made by Bontrager - If spacers are needed, you will need to use special Knock Block compatible spacers with notch features - This product is the upper headset only - Lower headsets on bikes with Knock Block do not have any unique features. They are usually IS headsets which are available separately
Syncros IS41/28.6|IS41/30 Headset
$29.99
- Fits Scott Plasma 4 bikes - 1 1/8" - Drop-In - IS41/28.6 | IS41/30 - Alloy - Sealed cartridge - 9.0mm stack height
Syncros IS42/28.6|IS52/40 Headset for Addict
$41.99
- Fits Scott Addict CX MY16 bikes - 1 1/8"-1.5" Tapered - Drop-In - IS42/28.6 | IS52/40 - Alloy - Sealed cartridge - 8.7mm stack height
Syncros IS42/28.6|IS52/40 Headset for Scale & Spark
$69.99
- Fits Scott Scale & Spark MY17 Carbon bikes - 1 1/8"-1.5" Tapered - Drop-In - IS42/28.6 | IS52/40 - Plastic top cap with L-shape - Sealed ACB cartridge bearings - 8.2mm stack height
Syncros IS46/31.8|IS52/40 Headset
$59.99
- Fits Scott Foil MY16 bikes - 1 1/4"-1.5" Tapered - Drop-In - IS46/31.8 | IS52/40
Syncros IS52/31.8|IS46/34 Headset
$59.99
Designed for the Scott Plasma 6 Triathlon bike - Sealed cartridge bearings
Syncros ZS44/28.6|IS46/34 Headset
$39.99
- Foil MY12 1 1/8"-1 1/4" Tapered - Press Fit - ZS44/28.6 | IS46/34 - Alloy - Sealed cartridge - 10.1mm stack height
Syncros ZS44/28.6|ZS44/30 Headset
$49.99
- Standard 1 1/8" Press Fit - ZS44/28.6 | ZS44/30 - Alloy - Sealed cartridge - 12.9mm stack height
Syncros ZS44/28.6|ZS55/40 Headset
$59.99
- MTB 1 1/8"-1.5" Tapered - Press Fit - ZS44/28.6 | ZS55/40 - Alloy - Sealed cartridge - 12.9mm stack height
Syncros ZS44/28.6|ZS56/40 Headset
$59.99
- Fits Scott Genius MY18 onwards - 1 1/8"-1.5" Tapered - Press Fit - ZS44/28.6 | ZS56/40 - Alloy - Sealed cartridge
Syncros ZS49/28.6|EC49/30 Headset
$89.99
- For the Scott Gambler MY20 onwards - Sealed cartridge bearings
Syncros ZS49/28.6|ZS49/30 Headset
$79.99
- Fits pre MY20 Scott Gambler and Voltage FR - 1 1/8" Press Fit - ZS49/28.6 | ZS49/30 - Alloy - Sealed cartridge - 13.9mm stack height - additional +/- 1°/2° adjustable cups
Syncros ZS56/28.6|ZS56/40 MTB Headset
$99.99
- Compatible with Spark 2022 carbon - Fiber cups
Syncros ZS56/28.6|ZS56/40 eRide Headset
$79.99
- Compatible with Sub Silence eRide 2022 suspended fork bikes - Alloy cups
Syncros ZS56/31.8|ZS56/42 Headset
$49.99
- Compatible with Speedster family MY2022 - Fiber cups
Syncros ZS66/28.6|ZS66/46 Headset
$119.99
- Compatible with Patron MY2022 - Alloy cups - Block lock
Sunlite Sealed Alloy Headset
$26.99
• Aluminum • Semi-sealed mechanism • 1 1/8 inch • S.H.I.S.: EC34/28.6, EC34/30
Sunlite Semi Integrated Threaded
$19.99
- Steel cup semi-integrated design - Threaded semi-integrated design - Fits many Sun cruisers and others - Caged bearing 5/32" x 22A - Cup Diameter: 44mm - Race Diameter: 30mm - Stack Height: 18.2mm
Sunlite Steel 1 1/8-inch Threaded Headset
$14.99
- Steel cups - Steel retainer bearings - Available in chrome or black - S.H.I.S.: EC34/28.6-26tpi|EC34/30 - Steerer Dia: 28.6mm - Cup Dia: 34mm - Race Dia: 30mm - Stack Ht: 40mm Size: 1-1/8"
Sunlite Steel 1 1/8-inch Threadless Headset
$12.99
• Steel • Retainer ball bearings, includes top cap and star nut • 1 1/8 inch • S.H.I.S.: EC34/28.6, EC34/30
Sunlite Steel 1-inch Threaded Headset
$9.99 - $20.99
- Steel cups - Steel retainer bearings - Available in chrome or black - Steerer Dia: 25.4mm - Cup Dia: 30mm
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