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Headsets
Headsets fall into several categories (see below). There are external cup threadless headsets, which must be pressed into the frame. Another commonly used type is the zero-stack semi-integrated threadless headset, which also must be pressed into the frame, but unlike external cups, the cups sit flush with the headtube. Drop-in headsets have the bearing seats molded or machined directly into the frame where the cartridge bearings sit. The oldest and now uncommon type is the threaded headset.
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Rock Shox Headset Spacer Set carbon spacer set Gloss Black Logo
UD Carbon material, Gloss Black Logo finish, thicknesses 2x 2.5 mm, 1x 5 mm, 1x 10 mm, 1x 20 mm.
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FSA SMR/ACR stem adapter
The stem adapter converts the SMR system to ACR and makes cable routing on a road bike easier. Black nylon construction.
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Marwi bearing CB-240 6707 2RS 35x44x5 mm
Single-row ball bearing, double-sealed, size 35x44x5 mm.
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Rie:sel Design Stem:cap headset cap trail pig
Headset cap, carbon material, weight 6 g, for 1 1/8 forks.
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ZIPP stem spacers carbon set 4/8/12/30 mm
A set of high-quality carbon spacers for a 28.6 mm steerer tube, 5 pieces in the set with dimensions of 4 mm (2 pcs), 8 mm (1 pc), 12 mm (1 pc), 30 mm (1 pc).
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RITCHEY headset bearing WCS 46.9/34.1/7mm 45/45
Ritchey WCS headset bearing with a titanium coating for corrosion resistance, 7 mm height and 46.8/34 mm diameter.
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Ritchey Comp Integrated IS 42/28.6 Taper 1.5 16mm Stack headset
Integrated headset for bicycles with a tapered fork steerer 1 1/8–1.5", steel body, weight 75 g, black.
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Ritchey Upper Classic Semi-Integrated IS 42/28.6 9mm Stack headset
Upper part of the bicycle headset, semi-integrated IS42/28.6 for a 1 1/8" fork steerer, with a stainless steel sealed bearing.
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Ritchey Upper Classic Semi-Integrated ZS 44/28.6 9mm Stack headset
The upper part of the bicycle headset for a semi-integrated ZS44 setup with a 28.6 mm fork steerer; stainless steel bearings with grease.
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Ritchey WCS Carbon black matte 28.6x10mm 3pcs + 5mm 3pcs spacer
Carbon headset spacers for bicycles with a diameter of 1 1/8", in a pack of 3 pieces with a height of 5 mm and 3 pieces with a height of 10 mm.
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Ritchey WCS Lower Integrated IS 42/30 headset
Lower integrated headset assembly for road and mountain bikes, for an A-head 1 1/8-inch fork steerer, with a sealed bearing.
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Ritchey Headset WCS Expander Set 1-1/8 spare part
Compression expander for the headset for forks with a carbon steerer tube with a diameter of 1-1/8", including a top cap for securing the stem.
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Ritchey WCS Top Cap cap 1.1/8 w/ bolt
A stem cap for a 1-1/8-inch steerer tube diameter matches the look of Ritchey WCS stems; aluminum, weight 8 g, including the bolt.
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Ritchey Comp Cartridge Lower Semi-Integrated ZS 44/30 headset
The lower part of a semi-integrated bicycle headset with press-fitted ACB 45°/45° bearings and an aluminum body in black.
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Ritchey Comp Cartridge Upper Semi-Integrated ZS44/28.6 15mm Stack headset
Upper part of the bicycle headset ZS44/28.6 with a sealed cartridge ACB bearing and an aluminum body, black.
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FSA ACR stem spacer 5mm
The FSA ACR stem spacer for road and mountain bikes adds 5 mm of height and helps precisely set the handlebar position, black.
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FSA ACR stem spacer 10mm
The FSA ACR bike stem spacer sets the stem height by 10 mm; black finish for a clean look.
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Vision SMR-II (D-Fork) Spacer 5mm
The SMR-II bicycle stem spacer allows you to fine-tune handlebar height; 5 mm height for precise adjustment.
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FSA KFX SiC Integrated stem cap for handlebars
The spare stem cap for FSA KFX SiC Integrated handlebars is used to cover the top section and give the bike’s cockpit a clean look.
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FSA SL Micro ACB Light 45x45 1-1/4 headset bearing
ACB headset bearing for road and mountain bikes, size 1-1/4; 45x45 angles and 7 mm height for smooth steering.
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FSA TH-870R ACB 1.1/8 MR042R 45x45 headset bearing
FSA headset bearing for both road and mountain bikes with a 1 1/8-inch size. ACB type with a 45° × 45° contact angle for smooth operation.
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FSA Metron ACR for Bianchi Specialissima spacer
Replacement headset spacer for FSA Metron ACR on a Bianchi Specialissima frame, 3D-printed from a composite with a stable structure.
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FSA Metron ACR for Colnago C68/V4RS spacer
Conical headset spacer under the stem for Colnago C68/V4RS; 3D printing for an exact shape, weight approx. 12 g for road cycling.
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