The Bontrager Line Comp 30 TLR Boost 27.5in MTB Wheel is a strong and durable alloy mountain wheel for hard-hitting trail riders, built with a wider 29 mm inner rim and Rapid Drive 108 hub.Line Comp 30 is a durable alloy mountain wheel built on wider rims for better tyre support. With more support, you can run lower tyre pressure for better traction, more control and a smoother ride. This trail-tough wheel stands up to hard hits, has a proven Tubeless Ready (TLR) design, and includes a 108-tooth Bontrager Rapid Drive hub for quick engagement, fast acceleration and long-lasting performance.Bontrager Line Comp 30 TLR Boost 27.5in MTB Wheel FeaturesRapid Drive 108, j-bend hub instantly transfers effort into forward momentumUpdated rim design and stronger G609 alloy stands up to hard hitsTubeless Ready (TLR) rims allow for a quick, easy transition to a tubeless systemWider Boost 110/148 hub flanges enhance the bracing angle for a stiffer wheelA durable G609 alloy rim with 29 mm internal, 33 mm external width, 28-hole front/rear14G spokes with brass locking nipples6-bolt disc, SRAM XD driver, Shimano 10/11-speed available separatelyIncludes TLR rim strip installed and TLR valveBontrager Line Comp 30 TLR Boost 27.5in MTB Wheel SpecificationsSizeFront, Not applicableRear, SRAM XD 11/12-speedFT/RRFrontRearDiameter27.5"27.5"TypeTubeless Ready (TLR)/ClincherTubeless Ready (TLR)/ClincherCassette compatibilityNot applicableSRAM XD 11/12-speedHub width110 mm148 mmHoles2828Butting1414Cross-sectionRoundRoundBrake type6-bolt disc6-bolt discAttachmentThru-axleThru-axleNipple locking typeBrass lockingBrass lockingValvePrestaPrestaWeight840g950g