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Founded in 1996 by Thomas and Petra Mertin in Alt Duvenstedt in northern Germany, THM-Carbones is a European leader in ultra-high-tech manufacturing, specializing in ultra-light carbon bicycle components. Renowned for crafting some of the lightest and stiffest cranksets, handlebars, seatposts, and bottom brackets, THM combines pioneering German engineering with performance-driven design that has been validated by pro teams since its inception. Their precision components are designed for riders who demand nothing less than top-tier performance and feather-light efficiency.

THM THM Bottom Bracket
THM bottom brackets are unmatched in precision and compatibility. Covering all modern standards from threaded to press-fit, each is optimized for minimal weight and friction-free rotation. The ideal foundation for a dream build.
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THM Bottom Bracket
$129.00

Unit price : $129.00 /
THM THM Bottom Bracket Installation Tool
Since 1996 THM has been manufacturing high grade carbon fiber components.
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THM Bottom Bracket Installation Tool
$54.00

Unit price : $54.00 /
THM THM Carbon Seatpost Shim
Since 1996, THM has been a European leader in high-tech manufacturing. Known for crafting the world's lightest cranks and fork, validated by the Deutsche Telekom pro team, THM continues to set industry standards.
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THM Carbon Seatpost Shim
$45.00
THM THM Clavicula SE Carbon Crankset
The THM Clavicula SE Carbon Crankset is an ultralight road crank with a carbon axle, 30 mm spindle, 110 or 130 BCD options, and premium German construction. Select lengths and finishes may be available by special order..
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THM Clavicula SE Carbon Crankset
$1,899.00
THM THM Clavicula SE Power Meter Crankset
THM Carbones crafts ultralight carbon bicycle components with uncompromising performance, pioneering technology, and German engineering excellence since 1996.
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THM Clavicula SE Power Meter Crankset
$3,199.00
THM THM Clavicula Small Parts
Since 1996 THM has been manufacturing high grade carbon fiber components.
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THM Clavicula Small Parts
$80.00

Unit price : $80.00 /
THM THM Clavicula XC Crankset
Built for premium cross-country mountain bikes, the THM Clavicula XC combines full-carbon construction, a 30 mm spindle, 52 mm Boost chainline, and approximately 299 g weight. Each crankset is configured and ordered by request.
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THM Clavicula XC Crankset
$1,599.00
THM THM Fibula Carbon Road Brake
The THM Fibula is an ultralight carbon rim brake using RTM construction for precise tolerances and top-tier strength-to-weight. With carbon arms, Ti hardware, and a modular design, it fits 19–30 mm rims and is compatible with Shimano, SRAM, and Campagnolo
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THM Fibula Carbon Road Brake
$1,749.00
THM THM Frontale Aero Handlebar / Stem Combo
The THM Frontale combines stem and handlebar into one ultralight, aerodynamic unit. Designed for stiffness, comfort, and precise control, it delivers unmatched performance for road cyclists and time trialists focused on efficiency and fit.
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THM Frontale Aero Handlebar / Stem Combo
$1,999.00
THM THM Frontale Aero Headmount
The THM Frontale Headmount is an integrated computer mount designed specifically for the THM Frontale Aero Bar. Compatible with Garmin, Garmin 1050, and Wahoo computers, it also includes an integrated GoPro mounting interface. Available by special order.
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THM Frontale Aero Headmount
$105.00
THM THM Frontale Handlebar / Stem Combo
The THM Frontale handlebar and stem combo delivers aerodynamic efficiency and structural stiffness in a lightweight carbon package. Built for speed and control, it’s ideal for road and time trial setups.
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THM Frontale Handlebar / Stem Combo
$1,550.00
THM THM Frontale Headmount
Since 1996 THM has been manufacturing high grade carbon fiber components.
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THM Frontale Headmount
$99.00

Unit price : $99.00 /
THM THM Mandibula Carbon Seatpost
Since 1996 THM has been manufacturing high grade carbon fiber components.
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THM Mandibula Carbon Seatpost
$749.00

Unit price : $749.00 /
THM THM Rim Brake Pad Holders
THM Ultralight Brake Pad Holders combine CNC-machined aluminum bodies with titanium hardware and weigh approximately 9.5 g per pair. Each set services one brake caliper and accepts Shimano-standard road brake pad inserts.
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THM Rim Brake Pad Holders
$75.00
THM THM Tibia Carbon Road Stem
The THM Tibia Carbon Road Stem is a premium ultralight option for standard non-ICR cockpit setups. Handmade in Germany, it pairs low weight, precise steering, and clean compatibility with 1 1/8" steerers and 31.8 mm road bars.
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THM Tibia Carbon Road Stem
$649.00
THM THM Tibia Road ICR Carbon Stem
THM’s Tibia ICR Carbon Road Stem merges ultra-low weight with internal cable routing support. Featuring carbon construction, titanium hardware, and modular routing for modern road setups.
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THM Tibia Road ICR Carbon Stem
$649.00
THM THM Ulna Carbon Road Handlebar
Built around THM’s internally reinforced carbon construction, the Ulna weighs approximately 155 g in 42 cm and features a 77 mm reach, 119 mm drop, 6° flare, and current-model ICR compatibility for premium road cockpit builds.
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THM Ulna Carbon Road Handlebar
$799.00

Unit price : $799.00 /