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julio 26, 2026

Ritchey Force Stem 135mm 22.2mm Quill 1″ 10 Degree 25.4mm Clamp

The Ritchey Force quill stem is a highly regarded vintage bicycle component from the late 1980s and early 1990s, renowned for its clean aesthetic, durability, and robust build quality. Designed by Tom Ritchey and masterfully manufactured in Japan by Nitto, these stems were widely specced on high-end vintage mountain bikes (like the Bridgestone MB series or Ritchey P-23/P-22) and classic road bikes
julio 26, 2026

STAR 1” Threadless Headset NEW!!!!

Brand new in the original box new old stock STAR headset 1” threadless Stainless steel These are the finest headsets made! Made in USA Low profile loose balls. Super smooth. Absolutely beautiful!
julio 26, 2026

OLD SCHOOL BMX TIOGA BEARTRAP 2 HEADSET BLACK 1″ threaded NEW tange gt

NEW unused classic old school design Tioga Beartrap 2 threaded 1" x 24 headset, will work with most standard 1980's old school BMX frame and forks and is Gyro Compatible, recently powdercoated black by us at C4, other custom colors available, just message us Steerer ID 25.4 / Cup 32.7 / Race 26.4 / Stack Height 40 It is sometimes necessary or recommended to hone out the fork race for easier installation without damaging the fork, usually this can be done with a Dremmel or die grinder. Otherwise measure and grease components for the proper fit. Don't hesitate to ask questions if you see something we left out. Any questions regarding restoration services or questions not related to items for sale by C4 should be directed to our site C4LabsPC.com
julio 26, 2026

25.4mm 7 in 1 Bicycle Headset Threaded Mountain Headset Sealed Bearing Set

Feature:100% New Brand.Make of high qualit steel, this headset will not let you down.The cup bearings are sealed. It ensures very smooth performance.All parts are precisely machined to match the frame head tube.Ideal replacement for your bicycle.Fit for 1-inch Threaded chrome plated.Specification:Material: SteelColor: Silver ToneBall Retainer: 30x37mm / 1.18"x1.46"(ID*OD)Lock Nut Dia.: 25x33mm / 0.98"x1.30"(ID*OD)Crown Race: 30mm / 1.18"(OD)Notice:Please allow 1-3mm error due to manual measurement.Package Included:1 Set x Bicycle Headset.