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Bicycle Components & Parts

julio 24, 2026

TMARS 471L Mechanical Drop Seatpost 440mm w/ Remote – 3-stage

Product is new from manufacturer, use a plastic bag for packaging. SD-471L Mechanical-adjusted Seatpost for Downhill Material : External Tube: AL6066 , Internal Axle: AL7050 Cable length: approx. 137 cm. Offset : 23mm Dia. : Ø27.2mm Ø30.4mm (27.2mm seatpost + 27.2mm seatpost to 30.4mm seat tube shim adapter) Ø30.8mm (27.2mm seatpost + 27.2mm seatpost to 30.8mm seat tube shim adapter) Ø30.9mm (27.2mm seatpost + 27.2mm seatpost to 30.9mm seat tube shim adapter) Ø31.6mm (27.2mm seatpost + 27.2mm seatpost to 31.6mm seat tube shim adapter) Length : 440mm Travel : 0 / 55 / 110mm (3 positions - fully dropped, halfway dropped, or fully extended) Weight : Ø27.2mm = 646 ± 10g Ø30.4mm ~ Ø30.9mm = 680 ± 10g Ø31.6mm = 730 ± 10g Made in Taiwan
julio 24, 2026

TMARS Bike Parallelogram Suspension Seatpost 350mm 27.2/30.4/30.8/30.9/31.6 mm

Meterial : Alloy 6061 3D Forged Tube Preload adjustable with 6 mm Allen key. Offset : 20mm Length : 350mm Travel : 20mm System : parallelogram system Dia. : Ø27.2mm Ø30.4mm (27.2mm seatpost + 27.2mm seatpost to 30.4mm seat tube shim adapter) Ø30.8mm (27.2mm seatpost + 27.2mm seatpost to 30.8mm seat tube shim adapter) Ø30.9mm Ø31.6mm Weight : 590g (Ø27.2) , 582g (Ø30.9) , 606g (Ø31.6) Weight Limits : 70-90kg / 154-198lbs, 90-120kg / 198-264lbs Made in Taiwan Product is new from manufacturer, use a plastic bag for packaging. Shipping: 1. International Buyers – Please Note: ● Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. ● Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying. ● We usually declared our products as a gift and lower the value. 2. We ship item to Worldwide, Shipping by registered airmail 3. We will ship items to your PayPal address only. Please make sure your PayPal address is correct before you pay. 4. Delivery Time (Standard Postal Service with registered number): • USA / Canada / Australia / New Zealand (10 - 15 business days) • France / Italy / Spain (15 - 25 business days) • Europe (10 - 15 business days) • Asia (5 - 8 business days) • Africa (10 - 12 business days) • Central and South America (30-60 days) Delivery time not include custom check time. If checked it will be delayed. Some countries check often, such as Italy, Portugal, Germany, Brasil, usually big package. 5. If you didn't receive our product in 30 days, please feel free to contact us for inquiring the shipping status and we'll track it for you!
julio 24, 2026

Ultra Lightest Bike 7075 Alu Seat Post 31.6/180 350mm Black

Brand:TMARS MATERIAL: ALLOY 7075 DIA: 31.6MM LENGTH: 350MM WEIGHT: 180g FINISH: ANODIZED OR SAND BLASTED Made in Taiwan New OEM: not in retail packaging Shipping: 1. International Buyers – Please Note: ● Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. ● Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying. ● We usually declared our products as a gift and lower the value. 2. We ship item to Worldwide, Shipping by registered airmail 3. We will ship items to your PayPal address only. Please make sure your PayPal address is correct before you pay. 4. Delivery Time (Standard Postal Service with registered number): • USA / Canada / Australia / New Zealand (10 - 15 business days) • France / Italy / Spain (15 - 25 business days) • Europe (10 - 15 business days) • Asia (5 - 8 business days) • Africa (10 - 12 business days) • Central and South America (30-60 days) Delivery time not include custom check time. If checked it will be delayed. Some countries check often, such as Italy, Portugal, Germany, Brasil, usually big package. 5. If you didn't receive our product in 30 days, please feel free to contact us for inquiring the shipping status and we'll track it for you!
julio 24, 2026

TMARS Bike Parallelogram Suspension Seatpost 350mm 27.2-30.9-31.6 mm

Product is new from manufacturer, use a plastic bag for packaging. Meterial : Alloy 6061 3D Forged Tube Preload adjustable with 6 mm Allen key. Offset : 20mm Length : 350mm Travel : 20mm System : parallelogram system Dia. : Ø27.2mm Ø30.9mm Ø31.6mm Weight : 590g (Ø27.2) , 582g (Ø30.9) , 606g (Ø31.6) Weight Limits : 70-90kg / 154-198lbs, 90-120kg / 198-264lbs Made in Taiwan
julio 24, 2026

Sale~ TMARS 419S 31.6x445mm Mechanical Drop Seatpost , 55/110mm Travel

Riderbike for USA HOME SALE PART Accessories Sale~ TMARS 419S 31.6x445mm Mechanical Drop Seatpost , 55/110mm Travel Original price is USD 85Now! It has special price for USD 57 !!This product has scratches as pics 2-3 show- New SD419S model - New cable controller and inner axle with 110mm travel - Outer Diameter: 31.6 mm - Length: 445 mm - Travel: 0 / 55mm / 110mm (3 Positions) - Material: Alloy 6066-T6 outer tube with 6066-T6 axle tube- Color: Anodized Black (as pic. shown)- Weight: Approx. 684g - Made in Taiwan Content: 1 pc/pack SP ID: ST1447(Sale645) Payment Now eBay manages the end-to-end payments process. If you have any payment problem, please feel free to directly contact Ebay customer service. Shipping All items are shipped within 3 business days after received your payment. The delivery time depends on destination and other factors. If the item that your ordering is out of stock, we will refund the money to you. Return If you are not satisfied with this item, just simply notice us in 3 days after you received item, before you decide to ship item back, make sure to contact us via E-mail for shipping address. Shipping and handling fees are non-refund. Customers will be responsible for all return shipping cost. Returns without original package will not be accepted. HOME Sale Parts Accessories riderbike_go Sale~ TMARS 419S 31.6x445mm Mechanical Drop Seatpost , 55/110mm Travel ITEM SPECIFICS Brand TMARS MPN Does Not Apply Diameter 31.6 mm Part Type Seatpost ITEM DESCRIPTION Original price is USD 85Now! It has special price for USD 59 !!This product has scratches as pics 2-3 show- New SD419S model - New cable controller and inner axle with 110mm travel - Outer Diameter: 31.6 mm - Length: 445 mm - Travel: 0 / 55mm / 110mm (3 Positions) - Material: Alloy 6066-T6 outer tube with 6066-T6 axle tube- Color: Anodized Black (as pic. shown)- Weight: Approx. 684g - Made in Taiwan Content: 1 pc/pack SP ID: ST1447(Sale645) PAYMENT Now eBay manages the end-to-end payments process. If you have any payment problem, please feel free to directly contact Ebay customer service. SHIPPING All items are shipped within 3 business days after received your payment. The delivery time depends on destination and other factors. If the item that your ordering is out of stock, we will refund the money to you. RETURN If you are not satisfied with this item, just simply notice us in 3 days after you received item, before you decide to ship item back, make sure to contact us via E-mail for shipping address. Shipping and handling fees are non-refund. Customers will be responsible for all return shipping cost. Returns without original package will not be accepted.
julio 24, 2026

TMARS 419S Mechanical Drop Seatpost, 31.6x445mm 55/110mm Travel, Black

PROMOTIONS USD 185 microSHIFT CENTOS 2x10 Speed Groupset Road Kit BUY NOW USD 45 Shimano Deore XT RT-MT800-S 160mm Centerlock Disc Brake Rotor BUY NOW USD 405 SRAM APEX1 1x11 Speed Machanical Brake PG-1130 11-42T Groupset Kit 5 piece BUY NOW USD 129 RIDEREVER MCX-2 Flat Mount Dual-piston Mechancial Disc Brake Set w/ Rotors, GD BUY NOW HOME SALE PART Accessories TMARS 419S Mechanical Drop Seatpost, 31.6x445mm 55/110mm Travel, Black - New SD419S model- New cable controller and inner axle with 110mm travel- Outer Diameter: 31.6 mm- Length: 445 mm- Travel: 0 / 55mm / 110mm (3 Positions)- Material: Alloy 6066-T6 outer tube with 6066-T6 axle tube- Color: Anodized Black (as pic. shown)- Weight: Approx. 684g- Made in Taiwan Content: 1 pc/pack SP ID: ST1447 Payment Now eBay manages the end-to-end payments process. If you have any payment problem, please feel free to directly contact Ebay customer service. Shipping All items are shipped within 3 business days after received your payment. The delivery time depends on destination and other factors. If the item that your ordering is out of stock, we will refund the money to you. Return HOME Sale Parts Accessories riderbike_go TMARS 419S Mechanical Drop Seatpost, 31.6x445mm 55/110mm Travel, Black ITEM SPECIFICS Brand TMARS MPN Does Not Apply Diameter 31.6 mm Part Type Seatpost ITEMDESCRIPTION - New SD419S model- New cable controller and inner axle with 110mm travel- Outer Diameter: 31.6 mm- Length: 445 mm- Travel: 0 / 55mm / 110mm (3 Positions)- Material: Alloy 6066-T6 outer tube with 6066-T6 axle tube- Color: Anodized Black (as pic. shown)- Weight: Approx. 684g- Made in Taiwan Content: 1 pc/pack SP ID: ST1447 PAYMENT Now eBay manages the end-to-end payments process. If you have any payment problem, please feel free to directly contact Ebay customer service. SHIPPING All items are shipped within 3 business days after received your payment. The delivery time depends on destination and other factors. If the item that your ordering is out of stock, we will refund the money to you. RETURN
julio 24, 2026

TMARS 419L Mechanical Drop Seatpost, 31.6 x 400mm , Black

HOME SALE PART Accessories TMARS 419L Mechanical Drop Seatpost, 31.6 x 400mm , Black - TMARS NEW 419L Mechanical Drop Seatpost for Downhill - Adjustable Seatpost by Wire - Adjust Lever with Clamp to be Fixed in Handlebar- Outer diameter: 31.6mm - Length : 400mm - Material: Cr-mo Steel Axle Tube / Alloy 6061 Outside Tube - Travel: 0 / 45mm / 90mm ( 3 Positions ) - Black Anodized ( as pic. shown)- With Rubber Boot to Prevent Dust - Weight: Approx. 655g - Made in Taiwan Content: 1 pc/pack SP ID: ST1478 Payment Now eBay manages the end-to-end payments process. If you have any payment problem, please feel free to directly contact Ebay customer service. Shipping All items are shipped within 3 business days after received your payment. The delivery time depends on destination and other factors. If the item that your ordering is out of stock, we will refund the money to you. Return HOME Sale Parts Accessories riderbike_go TMARS 419L Mechanical Drop Seatpost, 31.6 x 400mm , Black ITEM SPECIFICS Brand TMARS MPN Does Not Apply Part Type Seatpost Diameter 31.6 mm ITEMDESCRIPTION - TMARS NEW 419L Mechanical Drop Seatpost for Downhill - Adjustable Seatpost by Wire - Adjust Lever with Clamp to be Fixed in Handlebar- Outer diameter: 31.6mm - Length : 400mm - Material: Cr-mo Steel Axle Tube / Alloy 6061 Outside Tube - Travel: 0 / 45mm / 90mm ( 3 Positions ) - Black Anodized ( as pic. shown)- With Rubber Boot to Prevent Dust - Weight: Approx. 655g - Made in Taiwan Content: 1 pc/pack SP ID: ST1478 PAYMENT Now eBay manages the end-to-end payments process. If you have any payment problem, please feel free to directly contact Ebay customer service. SHIPPING All items are shipped within 3 business days after received your payment. The delivery time depends on destination and other factors. If the item that your ordering is out of stock, we will refund the money to you. RETURN