Best Tmars in 2026

SD-471L Mechanical-adjusted Seatpost for Downhill

External Tube: AL6066 , Internal Axle: AL7050

Travel : 0 / 55 / 110mm (3 positions - fully dropped, halfway dropped, or fully extended)

Diameter: 27.2-30.4mm<br/>Diameter: 27.2-30.4mm

COMFORT IN MOTION - Feel the smooth difference of Kinekt Suspension Seatpost as it floats over any terrain or road surface absorbing more shock, providing better control, & less fatigue

【STEP 1】RIDER WEIGHT - LR if you weigh 80-180 lbs. (36-82 kg) or XR if you weigh 180-320 lbs. (82-145 kg)

【STEP 2】DIAMETER - Find the size printed on your current seatpost or look up the size for your bike model on-line

RIDE FURTHER, FASTER, AND MORE COMFORTABLY – The ShockStop bicycle suspension seatpost is the perfect upgrade to your current bike and makes a perfect e-bike seat post, gravel bike seat post, hybrid bike seat post, or road bike seat post. More comfort at the saddle means you’ll be able to ride longer, go faster, and stay in control even on the roughest terrain.

DAMPEN BUMPS AND VIBRATION BY UP TO 60%! – Say goodbye to your sore butt and pain from riding and say hello to increased control, more confidence, and a super smooth ride. The patent-pending ShockStop suspension seat post for bicycles reduces the effects of bumps, shocks, and road buzz by up to 60%!

REDUCE FATIGUE AND INCREASE EFFICIENCY – Stop wasting energy suspending your body to absorb impacts and vibrations. This shock-absorber bike seat post allows you to stay in the saddle and keep pedaling even over the most extreme terrain. Consistent power output and reduced fatigue enable you to go further and faster on the bike you already own.

Forged from 6061 aluminum, the seatpost head is strong and fatigue resistant

Two bolt design for easy adjustment while holding rails securely

Low profile clamps reduce stress on light-weight rails

Converts a 27.2mm diameter seatpost to a 31.8mm

High Quality Alloy Shim

Black

Forged alloy shaft

Anodized finish

Laser etched graphics

PIVOTAL Compatible

Ultra-light 6061 forged alloy construction

Reinforced wall construction

Material: aluminum alloy

Diameter: 30.9mm, 31.6mm

Length: 360mm, 420mm, 480mm, 540mm

FIT FOR SEAT POST: Diameter: 27.2mm Post Length: 400mm. Setback: 0 °/0mm. Please confirm the seat post size you need before purchase

LIGHTWEIGHT: AL6061-T6 alloy construction

MICRO ADJUST: 2-bolt hinged clamp design

【PAY ATTENTION】Please do measure the actual required diameter before purchasing. Saddle clamp is not included, please buy the saddle clamp separately if needed.

【MATERIAL】Seatpost made of 6061 aluminum alloy,strong and durable.

【SIZE】Length:350mm;Diameter:25.4mm 27.2mm 28.6mm 31.6mm;Thickness of the tube:3mm.

Brass bushing parallelogram system

Alloy arms

50mm travel

【PAY ATTENTION】Please do measure the actual required diameter before purchasing. Saddle clamp is not included, please buy the saddle clamp separately if needed.

【MATERIAL】Seatpost made of 6061 aluminum alloy,strong and durable.

【SIZE】Length:350mm;Diameter:25.4mm 27.2mm 28.6mm 31.6mm;Thickness of the tube:3mm.

125, 150 and 170mm Travel Dropper Post

Lightweight sealed alloy cartridge

External cable routing

125, 150 and 170mm Travel Dropper Post

Lightweight sealed alloy cartridge

External cable routing

✅ NO MORE BACK PAIN - The comfortable bike suspension seatpost has a pain-relieving effect on the back area as it provides optimal shock absorption during cycling. The aluminium bicycle suspension seatpost, which has a diameter of 1.1" (27.2mm) and a length of 13.8" (350mm), is suitable for both women and men.

✅ SAVE TIME IN ASSEMBLY - To help you spend less time assembling the saddle post, we have created clear ASSEMBLY VIDEOS to help you mount the suspension post correctly and give you more confidence.

✅ TRUST ORIGINAL AARON QUALITY: Your #1 bike accessories brand on Amazon. More than 1000 verified 5-star customer ratings speak for themselves. Become a part of the AARON family and share your unique customer experience with many enthusiastic customers. Due to the 2" (50mm) spring deflection of the coiled spring, the saddle post offers excellent damping and comfort and that is why EVERYONE wants the AARON saddle post.

COMFORT IN MOTION - Feel the smooth difference of Kinekt Suspension Seatpost as it floats over any terrain or road surface absorbing more shock, providing better control, & less fatigue

【STEP 1】RIDER WEIGHT - LR if you weigh 80-180 lbs. (36-82 kg) or XR if you weigh 180-320 lbs. (82-145 kg)

【STEP 2】DIAMETER - Find the size printed on your current seatpost or look up the size for your bike model on-line

Made using the highest quality materials

Tested for durability

Precision engineered

Material: aluminum

Diameter: 7 mm, 8.5 mm, 9.6 mm

Quick-Release: no

40mm of adjustable air suspension

40mm of adjustable air suspension

100mm (27.2) or 120mm (30.9 & 31.6) of drop depending on diameter

COMFORT IN MOTION - Feel the smooth difference of Kinekt Suspension Seatpost as it floats over any terrain or road surface absorbing more shock, providing better control, & less fatigue

【STEP 1】RIDER WEIGHT - LR if you weigh 80-180 lbs. (36-82 kg) or XR if you weigh 180-320 lbs. (82-145 kg)

【STEP 2】DIAMETER - Find the size printed on your current seatpost or look up the size for your bike model on-line

Material: Kashima-coated aluminum

Diameter: 30.9, 31.6mm

Length: [100mm travel] 357mm, [125mm travel] 407mm, [150mm travel] 457mm, [175mm travel] 505.7mm

COMFORT IN MOTION - Feel the smooth difference of Kinekt Suspension Seatpost as it floats over any terrain or road surface absorbing more shock, providing better control, & less fatigue

【STEP 1】RIDER WEIGHT - LR if you weigh 80-180 lbs. (36-82 kg) or XR if you weigh 180-320 lbs. (82-145 kg)

【STEP 2】DIAMETER - Find the size printed on your current seatpost or look up the size for your bike model on-line

COMFORT IN MOTION - Feel the smooth difference of Kinekt Suspension Seatpost as it floats over any terrain or road surface absorbing more shock, providing better control, & less fatigue

【STEP 1】RIDER WEIGHT - LR if you weigh 80-180 lbs. (36-82 kg) or XR if you weigh 180-320 lbs. (82-145 kg)

【STEP 2】DIAMETER - Find the size printed on your current seatpost or look up the size for your bike model on-line

【PAY ATTENTION】Please do measure the actual required diameter before purchasing. Saddle clamp is not included, please buy the saddle clamp separately if needed.

【SIZE】Length: 350 mm; Diameter: 27.2mm; Thickness of the tube: 2 mm. Weight：6.6 ounces. Color: Black.

【MATERIAL】 Seatpost made of aluminum alloy,light weight and durable.Polished anodized finish, never rust.

【PAY ATTENTION】Please do measure the actual required diameter before purchasing. Saddle clamp is not included, please buy the saddle clamp separately if needed.

【SIZE】Length: 350 mm; Diameter: 25.4 mm; Thickness of the tube: 2 mm. Weight：5.3 ounces. Color:Black.

【SAFE LINE MARK】The seat post is engraved with a safe line mark , which is convenient for adjusting the length of the seat post to achieve the height suitable for you.

【PAY ATTENTION】Please do measure the actual required diameter before purchasing. Saddle clamp is not included, please buy the saddle clamp separately if needed.

【SIZE】Diameter: 27.2 mm; Length: 350 mm; Thickness of the tube: 2 mm; Weight: 6.6 ounces. Color: Silver.

【MATERIAL】 Bike Seat post made of aluminum alloy, light weight and durable. Polished anodized finish, never rust.

Forged alloy construction

Integrated index adjust seat clamp

Weight: 325g