Product Detail: Are you looking for a Bicycle Rest Handlebar to relax yourself when cycling for a long time ? Here is our lightweightBike Aerobar with extension adjustment fixed, helping you have a good release in a comfortable environment. Material: High Strength Aluminum Alloy Color: Black Rest Handlebar Length: 40cm x 10cm x 9cm/15inch x3.9inch x 3.5inch Fits Handlebar Clamp Diameter: 31.8mm(1.25inch) / 26mm(1.02inch) / 25.4mm(1inch) (26mm /25.4mm need to add shims) Total Weight:500g / 1.1lb Quantity: 2pcs/ Set Type: Aero Bar For Bike Type: Time Trial/Triathlon, Mountain Bike, Road Bike Feature: Easy to mount Help riders maintain an aerodynamic tuck position Package Content: 2 x Handlebars About Aero Handlebars Time trial / Triathlon bars or aerobars include various styles of aerodynamic handlebars extensions for road racing bikes particularly time trial and triathlon bikes. They are narrow, bolt-on extensions that draw the body forward into a tucked position, they are designed to drop the torso into a slightly lower position and narrow your frontal profile, some bars are integrated units that combine the handlebars and tri bars in one unit. Tri bars are commonly used in triathlons and time trials events, both on the road and track.