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Headsets

$13.99
NOTE: These spacers are to be used only with Trek Knock Block system. They are not compatible with other bikes.
Trek developed Knock Block as an integrated frame protection system to prevent self-inflicted scuffs, dents, or cracks from spinning handlebars. Knock Block consists of a special stem and a stop chip on the frame. The stop chip limits the turning range of the custom keyed headset cover. The top of the headset cover has notches that lock into corresponding notches on the headset spacers, which also correspond with notches in the stem for a strong connection to the steer tube. These parts work together to prevent the crown of the fork and handlebar controls from hitting the frame when bars are turned too far in either direction.
Compatibility
Compatible only with Trek Knock Block only
- These spacers have unique raised features that key to Knock Block compatible stems (made by Bontrager)
- 1 1/8" top (straight 1 1/8" or 1 1/8" to 1 1/2" taper) steerer tubes only

$31.99 - $61.99
- No. series headsets offer excellent performance and value
- No. 8b: 36x45 degree Cane Creek Integrated, or No. 10: Zero Stack shallow available for 1-1/8" applications
- No. 10 S.H.I.S.: ZS44/28.6|ZS44/30
- No. 8B S.H.I.S.: IS42/28.6|IS42/30
- Stack: 5.2mm/3.7mm (No. 10), 8mm/1mm (No. 8B)
- Color: Black
- Weight: 93g (No. 10), 74g (No. 8B)

$85.99
- Bearing Type: Cartridge
- Weight: 86 g
- Crown Race: 40
- S.H.I.S Lower: IS52
- S.H.I.S Upper: IS42
- S.H.I.S. Stem Clamp Diameter: 28.6 Threadless

$43.99
- Weight: 160g
- Crown Race: 30
- S.H.I.S. Lower: EC34
- S.H.I.S. Upper: EC34
- S.H.I.S. Stem Clamp Diameter: 28.6 Threadless

$40.00 - $84.99
- Pig DH-Pro feature angular contact sealed upper bearing and an industrial cartridge sealed bearing with an alloy upper cup and CrMo lower cup
- Pig feature oversized 1/4" lower ball bearings, 5/32" upper bearings
- Big Fat Pig feature super oversized caged ball bearings
- Pig: External Cup, traditional
- Pig S.H.I.S.: EC34/28.6|EC34/30
- Big Fat Pig S.H.I.S.: EC49/38.1|EC49/40
- Pig DH Pro S.H.I.S.: EC34/28.6|EC34/30
- Stack: 15.4mm/13.6mm (Pig), 17mm/11.7mm (Big Fat Pig), 15.5mm/16mm (Pig DH Pro)
- Color: Black
- Weight: 193g (Pig), 345g (Big Fat Pig), 198g (Pgi DH Pro)

$37.99
- 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

$34.99
Cane Creek's 10 Series has light, tough, and beautiful machined 6061 T6-aluminum cups, Cane Creek's corrosion-resistant black-oxide angular-contact bearings and quality seals throughout to keep the grease in and the dirt out.
• Technical Description: ZS56/40/H4/K
• Bottom Type: ZS - ZeroStack
• Bottom Head Tube Inside Dia.: 55.95mm
• Crown Race Seat Dia.: 39.79mm
• Crown Race Type: Polymer
• Bottom Stack Height: 4mm
• Bottom Bearing Type: Black Oxide
• Material: 6061 aluminum
• Weight: 35.35g

$214.99
Backed by a 110-year warranty and constructed in Fletcher, NC, the 110-Series headset is designed with no compromises in quality, durability, or finish quality. Zero stack uppers press into head tube with very little stack height. Lowers are either zero stack or external cup.
- Sealed stainless steel bearings
- Carbon-friendy compression ring captured in top cover, keeping shims in place
- 7075 T-6 aluminum cups machined in Fletcher, NC
- Aluminum dual seal crown race protects lower bearing
- Interlok spacer compatible
- 110 year warranty

$49.99
Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek's 40-Series headsets.
• Technical Description: IS41/28.6/H9/K
• Top Type: IS - Integrated
• Top Head Tube Inside Dia.: 41.1mm
• Stem Clamp Dia.: 28.6mm
• Top Stack Height: 9mm (Short), 15mm (Tall)
• Top Bearing Type: Black Oxide, Sealed
• Material: 6061 aluminum
• Weight: 37g

$42.99
Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek's 40-Series headsets.
• Technical Description: IS52/30/H1
• Bottom Type: IS - Integrated
• Bottom Head Tube Inside Dia.: 52.1mm
• Crown Race Seat Dia.: 30.015mm
• Crown Race Type: Steel, Face-Sealed
• Bottom Stack Height: 1mm
• Bottom Bearing Type: Black Oxide, Sealed
• Material: N/A
• Weight: 72g

$119.99
Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek headsets. The 40 Series has light, tough, and beautiful machined 6061 T6-aluminum cups that are internally relieved for even more gram shaving. You also get Cane Creek's corrosion-resistant black-oxide sealed bearings and quality seals throughout to keep the grease in and the dirt out, including Cane Creek's Clip Seal that completely seals the top assembly. This version uses a ZeroStack top cup and an external cup on the bottom.

$42.99
This is the Integrated Bottom Bearing for the Cane Creek 40 Series headset. Please contact us if you have any questions about which parts are correct for your headset.

$80.99
The 40-Series is the workhorse of Cane Creek's headset line-up. Representing the balance of performance, durability and value, the series incorporates all the features necessary for a robust, lightweight, long-lasting headset. Integrated bearings fit directly into compatible head tubes without the need of a bearing press.
- Sealed black oxide bearings
- Carbon-friendy compression ring captured in top cover, keeping shims in place
- Steel crown race with integrated seals
- Interlok spacer compatible
- Uses 36/45 degree crown race and compression ring
- Compatible with tapered 1-1/8" to 1-1/2" steerer tubes, or straight 1-1/8" steerers with a conversion crown race (sold separately)

$100.99
The 40-Series is the workhorse of Cane Creek's headset line-up. Representing the balance of performance, durability and value, the series incorporates all the features necessary for a robust, lightweight, long-lasting headset. Zero stack uppers press into head tube with very little stack height. Lowers are either zero stack or external cup.
- Sealed black oxide bearings
- Carbon-friendy compression ring captured in top cover, keeping shims in place
- Steel crown race with integrated seals
- Interlok spacer compatible
- Compatible with tapered 1-1/8" to 1-1/2" steerer tubes, or straight 1-1/8" steerers with a conversion crown race (sold separately)

$48.99
This is the Top Cover for the Cane Creek 40 Series ZeroStack headset. Please contact us if you have any questions about which parts are correct for your headset.

$126.99 - $149.99
Cane Creek headsets with Hellbender stainless steel bearings with increased sealing elements and more grease in relation to the comparable 110 bearing.
- Designed to bridge the gap between the 40-series and 110-series headsets

$179.99
The GeoShift Performance Angle Headset allows you to adjust the geometry of your bike by changing the head tube angle, available in 1 or 2 degree options. This unique design lets the bearings sit at an angle to align with the steerer tube, preventing creaking noises commonly found with angle headsets that feature a spherical design. Reduce the head tube angle to make for slacker geometry and added stability on fast descents, or increase the angle using the opposite orientation of the headset, to make for steeper geometry and quicker steering with maximum front wheel traction.
- Enduro black oxide coated chromium steel bearing included on both the upper and lower
- Upper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a compression plug (sold separately)
- Machined in the USA with lightweight, strong, durable aircraft-grade 6061 aluminum
- Includes: Upper and lower cups, bearings, crown race, star nut, shims, stem cap with 5mm integrated spacer and bolt
- 1 Degree Adjustment
- Long version is designed for headtube lengths between 115 - 140 mm

$179.99
The GeoShift Performance Angle Headset allows you to adjust the geometry of your bike by changing the head tube angle, available in 1 or 2 degree options. This unique design lets the bearings sit at an angle to align with the steerer tube, preventing creaking noises commonly found with angle headsets that feature a spherical design. Reduce the head tube angle to make for slacker geometry and added stability on fast descents, or increase the angle using the opposite orientation of the headset, to make for steeper geometry and quicker steering with maximum front wheel traction.
- Enduro black oxide coated chromium steel bearing included on both the upper and lower
- Upper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a compression plug (sold separately)
- Machined in the USA with lightweight, strong, durable aircraft-grade 6061 aluminum
- Includes: Upper and lower cups, bearings, crown race, star nut, shims, stem cap with 5mm integrated spacer and bolt
- 1 Degree Adjustment
- Long version is designed for headtube lengths between 115 - 140 mm

$179.99
The GeoShift Performance Angle Headset allows you to adjust the geometry of your bike by changing the head tube angle, available in 1 or 2 degree options. This unique design lets the bearings sit at an angle to align with the steerer tube, preventing creaking noises commonly found with angle headsets that feature a spherical design. Reduce the head tube angle to make for slacker geometry and added stability on fast descents, or increase the angle using the opposite orientation of the headset, to make for steeper geometry and quicker steering with maximum front wheel traction.
- Enduro black oxide coated chromium steel bearing included on both the upper and lower
- Upper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a compression plug (sold separately)
- Machined in the USA with lightweight, strong, durable aircraft-grade 6061 aluminum
- Includes: Upper and lower cups, bearings, crown race, star nut, shims, stem cap with 5mm integrated spacer and bolt
- 2 Degree Adjustment
- Long version is designed for headtube lengths between 115 - 140 mm

$179.99
The GeoShift Performance Angle Headset allows you to adjust the geometry of your bike by changing the head tube angle, available in 1 or 2 degree options. This unique design lets the bearings sit at an angle to align with the steerer tube, preventing creaking noises commonly found with angle headsets that feature a spherical design. Reduce the head tube angle to make for slacker geometry and added stability on fast descents, or increase the angle using the opposite orientation of the headset, to make for steeper geometry and quicker steering with maximum front wheel traction.
- Enduro black oxide coated chromium steel bearing included on both the upper and lower
- Upper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a compression plug (sold separately)
- Machined in the USA with lightweight, strong, durable aircraft-grade 6061 aluminum
- Includes: Upper and lower cups, bearings, crown race, star nut, shims, stem cap with 5mm integrated spacer and bolt
- 2 Degree Adjustment
- Short version is designed for headtube lengths between 90 - 115 mm

$56.99
Wolf Tooth Performance Headsets are machined out of aircraft grade aluminum and assembled with Black Oxide Cartridge Bearings, balancing quality and price.
- Black Oxide Bearings are made from chromium steel for high load capacity and durability
- Black oxide coating reduces corrosion

$99.99
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

$56.99
Wolf Tooth Performance Headsets are machined out of aircraft grade aluminum and assembled with Black Oxide Cartridge Bearings, balancing quality and price.
- Black Oxide Bearings are made from chromium steel for high load capacity and durability
- Black oxide coating reduces corrosion

$99.99
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

$99.99
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
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