Reviews 30mm Tube

Vortex Optics Tactical 30mm Riflescope Ring — High Height [1.18 Inches | 30.0 mm] - 2 Pack

  • Robust 6-screw Tactical Ring is perfect for mounting red-dot optics, magnifiers, and other accessories with 30mm tube diameters to your Picatinny rail..
  • When using this ring to mount a conventional riflescope, we strongly recommend lapping the rings for a proper and secure fit for your optic..
  • This Vortex Tactical Ring positions the center of the riflescope tube at a height of 1.18 inches (30.0 mm) from the base..
Check Stock

Swiftcam 18 Megapixel Camera for Microscopes with Reduction Lens Calibration Kit Eyetube Adapters and USB 3.0 Cable Compatible with Windows/Mac/Linux

  • Mount this 18 megapixel Swiftcam onto your microscope's trinocular port or regular eyetube to record full-color pictures and videos.
  • Reduction lens ensures that the camera displays an accurate field of view to the microscope's magnifications.
  • Versatile mounting system -- the reduction lens will fit a 23.2mm ocular port or tube, included adapters fit 30mm and 30.5mm tube sizes.
  • USB 3.0 connection for lightning-fast transfer speeds between camera and computer.
Check Stock

Swiftcam 10 Megapixel Camera for Microscopes with Reduction Lens Calibration Kit Eyetube Adapters and USB 3.0 Cable Compatible with Windows/Mac/Linux

  • Mount this 10 megapixel Swiftcam onto your microscope's trinocular port or regular eyetube to record full-color pictures and videos.
  • Reduction lens ensures that the camera displays an accurate field of view to the microscope's magnifications.
  • Versatile mounting system -- the reduction lens will fit a 23.2mm ocular port or tube, included adapters fit 30mm and 30.5mm tube sizes.
  • USB 3.0 connection for lightning-fast transfer speeds between camera and computer.
Check Stock

Rockville RVMIC3 Tripod Microphone Stand with Quick Release Hand Clutch & Boom

  • Rockville RVMIC3 Professional Tripod Microphone Stand With Quick Release Hand Clutch and Boom..
  • One-hand adjusting using the hand-clutch system (no need to turn knobs to adjust!)..
  • This mic stand is the easiest and quickest to adjust on the market!.
  • Leg joint is made out of aluminum (almost all other brands use plastic)..
  • The stand tubes are 25 mm thick for the bottom tube, and 18mm for the top tube..
  • This is about 50 % thicker than almost all other brands on the market, making this one of the sturdiest stands in the world..
  • Steel & Nylon Construction. Virtually Unbreakable (under normal use)..
  • Small Cable Guiding Clips for running cables along the stand. Black Color..
  • Adjustable Height Range: 43-70 inches. Boom: 30 inches. Leg Diameter: 0.75 inch..
  • Top Tube Diameter: 0.6 inches. Lower Tube Diameter: 0.6 inches. Boom tube size: 0.79 - 0.39 inch.
Check Stock

WestHunter Optics 30 mm Cantilever Picatinny Scope Mount | Black

  • Position the center of the scope tube at a height of 40 mm/1.57 in from the base.
  • The high profile mount fits 21mm Picatinny rails and for both 30mm and 25.4 mm (1 inch) tube optics with up to a 75mm outer objective diameter.
  • Net weight 150 g / 5.29 oz, 2.48 in/63 mm offset distance.
  • The finishing touch to optics and the rail combination. Combining rock-solid reliability and strength with high quality machining to ensure ultimate accuracy and consistency..
  • Precision CNC Machined from 6063 T5 aircraft-grade aluminum alloy and finished in the anodizing(Disadvantages: The anodizing process uses the general level, please be cautious if you have a high-quality requirement for the appearance).
Check Stock

Zoom Bike Suspension Seatpost Bicycle Seat Post Replacement Lightweight Aluminum Body Clamp Angle Adjustable Offset 14mm Black 27.2

  • ★How To Choose Correct Diameter Size★ : (1) Check The Original Seatpost Size Marked On The Body ,Choose The Same Size As The Original One.(2) Measure The Inside Diameter Of The Frame Tube(Normally It Is Not Accurate, Considering Operator,Measuring Tool , Temperature,Etc.,).(3) Inquire The Bike Frame Seller To Get The Further Information.
  • ★How To Adjust And Install Suspension★ : Rebound Force Adjustable By Tighten Or Loose The Bottom Screw Wiht M6 Allen Wrench. Suspension Travel 42mm/ 1.65inch.Build-In Spring Coil And Damper Rubber Absorb The Vibration While Riding, The Seat Post Comfort Your Riding Experience, Improve The Shocks. Saddle Clamp Angle Can Adjust In -5 Degree To +18 Degree. 2 Bolts Hold The Clamp, Enhance Safe And Easy To Install.
  • ★Seat Tube Parameters★ :Material: 6061-T6 Alloy Aluminum , Diameter : 27.2mm Length: 350mm Travel: 40mm Adjustable Preload Suspension Travel. Offset :14mm .Weight: Approx 490g(1.08 Lbs) Damping:Coil Spring , You Can Add Seatpost Thim(27.2~28.6/30.0/30.4/30.8/30.9/31.6/33.9) To Fit Different Size.
  • ★Compatibility★ : Most Fixed Gear Bike ,Road Bike ,Mountain Bike , Universal Bikes,Etc. Support Weight 50kg/ 110lbs To 100kg/ 220lbs(Clockwise The Bottom Screw If You Are Heavy, Anticlockwise It If You Are....
Check Stock

FAZee Offset Flashlight Mount, Suit for 1.18” and 1” Tactical Flashlights, with QD Quick Release, Compatible for 20mm Picatinny Rail Mount (2 Mounts)

  • 【Fit for 30mm & 25.4mm Flashlight Tube】Each flashlight mount enabled with circular hard gasket, effectively switch the ring diameter from 30mm/1.18 inch to 25.4mm/1 inch, perfectly meet your different size needs! --- Note: For 1 inch diameter flashlight tube, gaskets need to be installed.
  • For 1.18 inch flashlight, no gasket is required..
  • 【Rail Size Requirement】Compatible with any standard 20mm-22mm standard picatinny rails..
  • 【Ergonomic Design】Offset side 45 degree design gives easy access to switch for flashlights. --- Keeps flashlight to the side so it doesn't interfere with vertical grips or hand guards..
  • 【Solid & Durable Aluminum】Precision machining from aircraft grade aluminum alloy with black matte anodizing finish. Sturdy & durable, compact construction offer stable durable performance..
  • 【Easy to Install & Remove】Easy to mount and release via QD quick release design, come with hex wrench to mount your flashlight conveniently..
Check Stock

Rockville Microphone Stand w/Hand Clutch+Tripod+360 Swivel Smartphone Mount

  • ...IC3 Professional Tripod Microphone Stand With Quick Release Hand Clutch and Boom. One-hand adjusting using the hand-clutch system (no need to turn knobs to adjust!).
  • This mic stand is the easiest and quickest to adjust on the market!. Leg joint is made out of aluminum (almost all other brands use plastic). The stand tubes are 25 mm thick for the bottom tube, and 18mm for the top tube. This is about 50 % thicker than almost all other brands on the market, making this one of the sturdiest stands in the world. Steel & Nylon Construction.
  • Virtually Unbreakable (under normal use). Small Cable Guiding Clips for running cables along the stand. Black Color. Adjustable Height Range: 43-70 inches. Boom: 30 inches. Leg Diameter: 0.75 inch. Top Tube Diameter: 0.6 inches. Lower Tube Diameter: 0.6 inches. Boom tube size: 0.79 - 0.39 inch. Features:.
  • RockvilIe IPS55 Smartphone Mount - Attaches To any pole or stand with a diameter of 17mm 35mm. Dual knob adjustment for an extra secure fit. 360 degrees swivel rotation with tilt for portrait or landscape viewing. Securely Holds Your Smartphone w/otterbox case (up to 4.1" wide). Designed to be compatible with almost all smartphones.
  • Designed to securely attach to sheet music stands, mic stands, and boom arms with a diamete....
Check Stock

Jump Seat Cable-Less Dropper Post (27.2mm, 100mm)

  • ‍♂️Installation Diameter: 30.9mm/31.6mm are all available. It is very important to choose according to the inner diameter of the seat tube of your bicycle frame..
  • ‍♂️Internal Cable Routing and Simple Installation: only suitable for internal cable routing frame, the installation process is very simple, please refer to the video for details..
  • ‍♂️Everything Become Easier: when you need to lower or raise the seat, you don't have to leave your seat now. With a remote lever, you can control the height of the seat as you like while cycling. A $20 cable in housing is included in the package, so you don't need to buy it separately..
  • ‍♂️Durable and Lightweight: Hydraulic dropper integrated inside 7075 alloy tube, 345mm-about 480g, 395mm-about 620g, 445mm-about 670g..
  • ‍♂️3 Kinds of Length*Stroke Available: 345mm*100mm.
Check Stock